Great Internet Mersenne Prime Search (GIMPS)

Prime95, also distributed as a command-line utility mprime under FreeBSD and Linux, is a freeware application written by George Woltman. It is used by Great Internet Mersenne Prime Search (GIMPS), a distributed computing project dedicated to Mersenne prime hunting. In overclocking circles, its also commonly used for stability testing.

This repo is a mirror to Free Mersenne Prime Search Software source code for Windows, Linux, FreeBSD, and Mac OS X.

You could download the latest code from GIMPS or release page.

Mirror rank from PrimeNet Top Overall Teams

Top producers for the last year.
This hourly report generated 2026-02-04 12:00 UTC

Rank	Team Name	Total GHz Days	90 day	30 day	7 day	1 day	TF	P-1	LL/PRP	DC	ECM	ECM-F
1	GIMPS.Russia	984301464					0.4		0.1		99.6
2	Slovakia	691839604	⬆ 1	⬆ 1			0.1	97.6	0.1		2.2
3	POLAND	437554142	⬆ 1	⬆ 1			0.3	99.0	0.1		0.5
4	PrimeNet	360437831	⬇ 2	⬇ 2			0.1	97.5	0.2	0.3	1.8
5	-Too many Ones-	203259505					0.3	92.8			6.9
6	unRAID	33644398	⬆ 1	⬆ 1				99.5	0.4		0.1
7	Ars Technica Team Prime Rib	23807972	⬇ 1	⬇ 1		⬆ 1	0.1	94.2	0.2	3.4	1.9
8	GIMPSChina	22073884				⬇ 1	80.2	13.2	4.1	0.7	1.7
9	One Man Team	16978102						99.5	0.5
10	More Power!!!	14539649					13.9	56.2	1.8	0.7	27.4
11	GW's legions	12734117					0.1	0.9	29.7	0.7	68.6
12	UCM-curtisc	11889613	⬆ 1	⬆ 1					99.4	0.6
13	Team-Deutschland	11662003	⬇ 1	⬇ 1			4.1	6.0	0.5	0.1	89.2
14	TeamUK	7415050					39.1	6.0	18.9	1.2	34.6	0.1
15	szerverem.hu	7130074	⬆ 225	⬆ 5			6.0	37.8	44.7	5.2	6.4
16	Porta Kruse	6408494	⬆ 20	⬆ 1			1.4	0.1		0.1	92.2	6.1
17	GPU to 72	4848063	⬇ 1	⬇ 2			61.5	22.3	0.7	3.7	11.8
18	SpongeBob SquarePants	3921367	⬇ 3	⬇ 2			1.5	31.4	55.7	9.9	1.5
19	Numberphile	2902319	⬇ 1	⬇ 1			31.2	40.7	20.1	6.5	1.2
20	tsc	2336328	⬇ 1	⬆ 1	⬆ 1		91.4	6.4	1.6	0.2	0.4
21	Dutch Power Cows	2248319	⬇ 4	⬇ 2	⬇ 1		32.7	30.3	1.2	1.2	34.6
22	UKRAINE	2136331	⬇ 2				34.9	14.6	37.0	13.4
23	Wikipedia	1959730	⬆ 1				58.6	34.0	4.0	2.3	0.8
24	Swedes Of Primes	1519600	⬇ 2				0.4	83.4	13.7	2.4
25	GIMPS.USA	1401091	⬇ 2				4.9	0.2	3.6	1.9	89.3
26	GIMPS.Japan	1341548	⬇ 5				4.5	0.1	7.8	1.9	85.6
27	GIMPS.Occitania	1299819	⬇ 2					1.2				98.8
28	MOXA	705280	⬇ 2				98.8		0.9	0.3
29	MATHSareREAL	684147	⬇ 2				95.6		3.2	1.2
30	MBAi.Cloud	579431		⬆ 1					100.0
31	Rechenkraft.net	489514	⬇ 3	⬇ 1			4.5	60.5	2.8	6.0	25.7	0.5
32	GIMPS.Korea	485232	⬆ 50	⬆ 4	⬆ 1		87.0	4.2	7.6	0.9	0.1
33	Terry Kim Team	459491	⬇ 1		⬇ 1		98.3		0.9	0.3
34	citizenscience.ru	436243	⬇ 5	⬇ 2			83.5	7.3	3.8	0.8	3.4	1.1
35	Buhr	410488		⬇ 1			63.3	2.3	20.5	6.3	7.6
36	S485122	312315	⬇ 3	⬆ 1				95.0		5.0
37	Smoke-it	292217	⬇ 6	⬇ 2			91.2	6.5	1.6
38	YahsTeam	216092	⬆ 3	⬆ 1			87.9		10.1	1.9
39	NerdyGirls	205336	⬆ 9	⬆ 3			2.9	41.6	8.4	47.1
40	Canada	202091	⬇ 1					3.3	65.4	30.1
41	randomteam	199264	⬆ 4	⬆ 2	⬆ 3						100.0
42	GIMPS Team Philippines	198720	⬆ 2	⬆ 3			83.0		1.7	1.8	13.0
43	Team Tartan	195402	⬇ 1	⬇ 2	⬇ 2				77.3	22.7
44	UW Eau Claire	176188	⬆ 196	⬆ 18	⬆ 4	⬆ 2	26.3		56.7	16.9
45	GIMPS China	175902	⬇ 11	⬇ 7	⬇ 2	⬇ 1	95.5		1.3	0.4	2.7
46	BitMEX Research	163544	⬇ 8	⬇ 2	⬇ 1	⬇ 1			95.8	4.2
47	nranks	156046	⬇ 1	⬇ 1	⬇ 1		45.1	0.8	4.5	0.9	48.7
48	OverclockerAustralia	147192	⬆ 1	⬇ 1	⬇ 1		59.7		21.2	15.6
49	404 - "Primes not Found"	133953	⬆ 23	⬆ 18	⬆ 3		65.5		34.5
50	Team China	124086	⬆ 4	⬆ 2	⬇ 1				99.7	0.3
51	GIMPS.NZ	120646	⬇ 1	⬇ 1	⬇ 1		78.2		10.9	10.9
52	Cap'n Entropy's Cavalcade of Wonderment	117037	⬇ 1	⬇ 4	⬇ 1		76.3	4.9	16.7	2.1
53	SASAKI	115148	⬇ 1				100.0
54	Wisconsin	113495	⬇ 1				52.4		26.8	20.8
55	EgyptianPolymaths	113215	⬆ 1				0.8	30.5			63.9
56	Unicamp	109010	⬆ 12				73.5	0.3	21.0	5.2
57	Colorado School of Mines	108885	⬆ 71	⬆ 20	⬆ 2		84.7		11.5	3.9
58	Georgia Tech	105633	⬇ 21	⬇ 9	⬇ 1		95.4	0.8	3.8
59	Hungary	95142	⬇ 2	⬇ 2	⬇ 1		0.5	0.1	1.9	2.9	94.2
60	GIMPS.France	82819	⬆ 10	⬆ 6			13.5	42.6	5.7	21.2	16.7
61	SHADO	78745		⬇ 3	⬆ 2				61.2	18.4	11.9	2.4
62	Net-Work	78132		⬇ 2			1.6	2.8			87.4
63	UIUC	75343	⬆ 3	⬆ 1	⬆ 3				69.0	30.9
64	Eratosthenes Sieve	74473	⬇ 1	⬆ 1	⬆ 3	⬆ 3	0.7		99.3
65	Team Finland	74207	⬇ 25	⬇ 14	⬇ 4	⬇ 1	81.3	0.5	17.9		0.4
66	Esperanto	73866	⬇ 8	⬇ 3	⬇ 2	⬇ 1		23.7	19.5	56.7	0.2
67	LTT fans	72392	⬇ 7	⬇ 8	⬇ 2	⬇ 1	52.9		7.4	2.6	37.0
68	GIMPS.NEO	64188	⬇ 4		⬆ 1				76.0	24.0
69	Team Israel	62609	⬇ 4		⬆ 1		97.1		1.3	1.6
70	Brno University of Technology	60081	⬇ 11	⬇ 9	⬇ 2			26.5	60.0	13.5
71	AMD Users	59749	⬇ 4				78.1		14.5	7.4
72	Team_Italia	58066	⬆ 4		⬆ 1		2.6		70.7	19.8	2.1	4.1
73	ParadoxZ Commando	57961		⬇ 3	⬇ 1				73.7	26.2
74	Team Belgium	57025	⬇ 5	⬆ 2	⬆ 2		1.4	6.7	34.7	13.6	43.6
75	AJ	55577		⬇ 1	⬇ 1				74.6	25.4
76	S147127	51208	⬆ 1	⬇ 1	⬇ 1		21.8		11.0	67.1
77	ComputerraRU	48559	⬇ 22	⬇ 4			16.2		75.8	8.0
78	Wile E. Coyote	46969	⬆ 3	⬆ 1					80.4	5.0	14.6
79	Team Viet Nam	44241	⬇ 32	⬇ 1			27.6		30.1	31.8	10.5
80	Team Austria	42369	⬇ 6	⬆ 1			98.8			1.2
81	LimePrime	37828	⬇ 3	⬆ 1	⬆ 1			6.9	88.3	4.8
82	MES-Team	37524	⬇ 11	⬇ 2	⬇ 1		71.2	7.7		21.1
83	Team H	36762	⬇ 4		⬆ 1		9.4	1.2	88.9	0.5
84	Hermessz	35670	⬇ 1	⬆ 1	⬆ 1	⬆ 1	58.7		41.3
85	socal_prime	35628	⬇ 5	⬇ 1	⬇ 2	⬇ 1		0.9	67.0	32.0
86	HardOCP	31363	⬆ 4	⬆ 2					78.7	21.3
87	huskers-gimps	31274	⬆ 11	⬆ 3	⬆ 1				74.4	25.6
88	Debian	30872	⬆ 4	⬆ 1	⬇ 1				98.2	1.8
89	Small-Team-2000	28556	⬇ 3	⬇ 2					11.0	89.0
90	Costa Rica	23400	⬇ 1	⬆ 1					72.9	26.8
91	ᕙ(⇀‸↼‶)ᕗ	21635	⬆ 45	⬆ 24	⬆ 1		0.7		98.9	0.4
92	Team Retired	20707	⬆ 3	⬆ 3	⬆ 1				26.5	10.2
93	Channel 4	20574	⬆ 26	⬆ 9	⬆ 3				84.6	15.4
94	PrimitiveRootsCircle	20059	⬆ 8	⬆ 6	⬆ 1		32.8		43.1	21.7	2.4
95	Team Norway	19552	⬆ 1	⬇ 1	⬇ 1		81.2			3.9	13.5	1.3
96	The Fellowship of Infinity	19477	⬆ 28	⬆ 8	⬆ 2				99.5	0.5
97	A Single Engineer	18890		⬆ 1	⬆ 2				73.4	26.6
98	NanJing Tech	18715	⬆ 142	⬆ 29	⬇ 1				100.0
99	MadPoo	17899	⬇ 56	⬇ 13	⬇ 8			26.3		73.7
100	SpartaAlumni	17876	⬇ 7	⬇ 1	⬆ 1				71.1	28.9
101	Quantus	17816	⬇ 13	⬇ 4	⬆ 1		7.9		30.4	26.2		35.5
102	Ozzie Prime	17738	⬇ 8	⬇ 6	⬆ 1			4.8	60.6	12.1		22.5
103	Portland State University	17552	⬇ 18	⬇ 10	⬇ 3		23.2	26.8	36.2	13.8
104	Turku	17344		⬆ 28	⬆ 5				100.0
105	MurrayInfoSys	16657	⬆ 10	⬆ 5	⬆ 2	⬆ 1			66.0	34.0
106	Team Slovenia	16102	⬇ 19	⬇ 5	⬇ 1	⬇ 1			72.1	27.9
107	GIMPS.Taiwan	15799	⬇ 7	⬇ 4	⬇ 1				88.4	11.2
108	Nerdfighters for Mersenne Primes	15481	⬇ 7	⬇ 3	⬇ 4		3.0		79.9	17.1
109	GIMPS.Portugal	14583	⬇ 3	⬇ 2	⬆ 1		0.1	71.7		28.1
110	VIPR	13984	⬆ 4	⬆ 7	⬆ 6	⬆ 1	18.8		56.2	25.0
111	Spain	13838	⬇ 27	⬇ 19	⬇ 3	⬇ 1	1.5		62.1	36.5
112	Politeknik Banting, Selangor	13717	⬇ 21	⬇ 6			78.3		5.8	15.9
113	Hyperion	13200	⬇ 4	⬇ 2					2.0	29.0
114	SETI.Germany	12752	⬇ 3		⬆ 3	⬆ 1		7.4	24.8	67.7
115	moeses	12553	⬇ 7	⬇ 6	⬇ 4	⬆ 1			99.1	0.8
116	Mensa	12448	⬆ 2		⬆ 3	⬆ 1			75.7	24.2
117	Granada	12284	⬇ 10	⬇ 9	⬇ 3	⬆ 1	35.9		6.3	57.3
118	IOTA	11877	⬆ 122	⬆ 116	⬆ 29	⬆ 1	100.0
119	NUST	11569	⬆ 121	⬆ 22	⬆ 4	⬆ 1	10.3	86.0		3.7
120	youngfun429	11143	⬇ 17	⬇ 8	⬇ 2	⬆ 1			62.6	37.4
121	Abacus	11117	⬆ 1		⬇ 1	⬆ 1			92.6	7.4
122	FREE ROBUX	10852	⬆ 118	⬆ 70	⬇ 1	⬆ 1			100.0
123	Royal Military College of Canada	10691	⬆ 117	⬇ 4	⬇ 1	⬆ 1	89.7		7.9	2.4
124	MES22-Team	10564	⬇ 25	⬇ 11	⬇ 9	⬇ 10	100.0
125	Die Zeitfinder	10009	⬇ 15	⬇ 7	⬇ 1				100.0
126	JiBoTeam	9707	⬆ 4	⬇ 2	⬆ 1					100.0
127	FreeBSD	9578	⬇ 22	⬇ 7	⬇ 1		0.5		87.1	12.4
128	Syntony	9574	⬇ 2	⬇ 5						100.0
129	Shaffer's Studio	8938	⬇ 4	⬇ 3					86.5	13.4
130	Triangle	8817	⬇ 13	⬇ 2					96.2	3.8
131	TurkishMath	8560	⬇ 11	⬇ 6					91.1	8.9
132	Server66	8528	⬇ 3	⬇ 3			100.0
133	Aiblspitz	8177	⬆ 2				2.0	60.9	19.3	15.8	2.0
134	Furry Primes	8022	⬇ 2	⬇ 4			58.8		27.1	14.1
135	Com Systems (RU)	7698	⬆ 43	⬆ 13	⬆ 2	⬆ 1			60.6	39.4
136	irowiki	7637	⬇ 9	⬇ 5		⬇ 1				100.0
137	Team Splunk	7605	⬇ 3	⬇ 3	⬇ 2			28.1	71.9
138	Brasil	7190	⬇ 5	⬇ 3					75.8	24.2
139	WSU Cougars	6864	⬇ 1	⬇ 3					56.6	43.3
140	Prime Rib	6858	⬇ 24	⬇ 3					97.1	2.9
141	SU Prime Pirates	6437	⬆ 1	⬇ 3					61.5	38.5
142	University of Waterloo	6259	⬆ 2	⬇ 3					100.0
143	Elisabeth-von-Thadden-Schule	6009	⬆ 5	⬇ 1	⬆ 1	⬆ 1			38.6	61.4
144	Team Christensen	5820	⬇ 3	⬇ 4	⬇ 1	⬇ 1				100.0
145	GIMPS Romania	5527	⬆ 1	⬇ 1					100.0
146	The_Dude_Abides	5269	⬇ 15	⬇ 1	⬆ 2	⬆ 1	37.4			50.5
147	Optimists Prime	5162			⬇ 1	⬇ 1		57.1	42.8	0.1
148	nmbarek_team	4963	⬇ 27	⬇ 26	⬇ 23				99.6	0.4
149	Hong Kong GIMP	4902	⬆ 9	⬆ 4	⬆ 3	⬆ 3			63.6	36.4
150	teamMALI	4900	⬇ 1	⬇ 7	⬇ 1	⬇ 1			79.4	20.6
151	zeit	4791	⬇ 14	⬇ 2	⬇ 1	⬇ 1	2.2			97.8
152	Danpi for GIMPS	4710	⬇ 2		⬇ 1	⬇ 1	100.0
153	International School of Beijing (ISB)	4620	⬇ 10	⬇ 7					99.6	0.4
154	The East Coast	4426	⬇ 42	⬆ 1	⬆ 2		99.3	0.7
155	3DCenter.org	4340	⬇ 16	⬇ 5	⬇ 1						100.0
156	Kabylie	4169	⬇ 1		⬆ 1		15.8	4.9	37.4	42.0
157	Olympic College	4166	⬆ 3	⬆ 1	⬆ 1					100.0
158	Phi Kappa Theta	3599	⬆ 7	⬆ 3	⬆ 1				65.5	34.5
159	GIMPS.Hong Kong	3480	⬇ 7	⬇ 2	⬆ 1		3.6		44.3	52.0
160	TunisianTeam	3415	⬇ 6	⬇ 1	⬆ 1				22.7	77.3
161	RobotechResearch	3194	⬆ 20	⬆ 20	⬆ 24	⬆ 1			99.9	0.1
162	Zorin OS Crew	3193	⬇ 5	⬆ 1		⬇ 1			70.2	29.7
163	Team_Brazil	2999	⬆ 3	⬆ 1			83.1	0.2		16.7
164	FactorMania	2946	⬆ 68	⬆ 15				62.4			37.6
165	México mágico	2888	⬆ 35	⬆ 6	⬆ 1				82.0	18.0
166	The Prime Pioneers	2611	⬆ 29	⬆ 23	⬆ 5		2.1	83.6		9.7	4.6
167	Subprime Searches	2529	⬆ 4	⬇ 1	⬆ 1		89.9			10.1
168	Crunching@EVGA	2521	⬆ 72	⬆ 12	⬆ 16				99.5	0.5
169	I Love Canadian Natural Resources	2507		⬇ 9	⬇ 4					100.0
170	Noam Karni Team	2367	⬆ 22		⬆ 2				66.8	33.2
171	VRS_SE	2359	⬆ 1	⬇ 3	⬆ 2				66.8	33.2
172	Korea.Prime	2331	⬆ 21		⬆ 2				67.0	33.0
173	Saudi Primes	2268	⬇ 5	⬇ 4	⬆ 2					100.0
174	GIMPS_KS	2173	⬆ 66	⬆ 32	⬆ 3	⬆ 1			37.0	61.6	1.4
175	GIMPSMalaysia	2120	⬆ 40	⬆ 13	⬆ 1	⬇ 1			75.4	24.5
176	The Pensis	1869	⬇ 1	⬇ 1	⬆ 3					100.0
177	F=dp/dt	1845	⬇ 1	⬇ 1	⬆ 3				85.8	14.2
178	Obsidian	1821	⬆ 1	⬇ 1	⬆ 3					100.0
179	GIMPS_IOM	1712	⬆ 1	⬇ 1	⬆ 3		100.0
180	alan145	1697	⬇ 21	⬇ 15	⬇ 2		75.1	1.8		0.3	22.9
181	His Dark Materials	1674	⬇ 18	⬇ 7	⬆ 2					51.5	48.4
182	Pi Rho	1658	⬆ 58	⬆ 52	⬆ 25				50.6	49.4
183	ANDY	1591	⬇ 30	⬇ 29	⬇ 28				98.2	1.8
184	San Francisco	1586	⬇ 1	⬇ 2	⬆ 2				100.0
185	cr_colorado	1549	⬆ 5	⬆ 14	⬆ 2					100.0
186	Artists of Fine Art	1540	⬇ 41	⬇ 24	⬇ 16				99.4	0.6
187	EggCelentes	1488	⬇ 17	⬇ 20	⬇ 18					100.0
188	TimE4This	1481	⬇ 2	⬇ 4	⬆ 1					100.0
189	BrainStone	1451	⬇ 25	⬇ 16	⬆ 1					100.0
190	CZAsTc	1447	⬆ 49	⬆ 42	⬆ 1				99.6	0.4
191	OcUK - Overclockers UK	1409	⬇ 4	⬇ 6	⬆ 1				100.0
192	math.auth.gr	1355	⬆ 16	⬆ 17	⬆ 1				61.7	38.3
193	Happy	1341	⬇ 5	⬇ 6	⬆ 1						99.9
194	Black Mesa	976	⬇ 81	⬇ 43	⬇ 27				78.3	21.7
195	AWC	801	⬆ 45	⬆ 39	⬆ 35				100.0
196	Morocco	797	⬆ 44	⬆ 38	⬆ 13	⬆ 10				100.0
197	GIMPS Asturias	794	⬇ 1	⬇ 4	⬇ 1	⬇ 1			99.6	0.4
198	Weatopians	793	⬇ 1	⬇ 4	⬇ 1	⬇ 1			99.7	0.3
199	Sæve Nordic Prime	781	⬇ 1	⬇ 4		⬇ 1			100.0
200	hreid	776	⬇ 15	⬇ 3		⬇ 1			100.0
201	crazyBerlin	774	⬇ 61	⬇ 5		⬇ 1			100.0
202	UCLA Linux Users Group	769	⬇ 46	⬇ 19	⬇ 14	⬇ 1			100.0
203	ISISS Valle Seriana	761	⬇ 4	⬇ 5	⬇ 1	⬇ 1			99.6	0.4
204	Join Us 😈	708	⬆ 5	⬆ 6		⬇ 1	100.0
205	SGDynamo Dresden	596	⬇ 3	⬇ 2	⬆ 1	⬇ 1	100.0
206	PrimeObsession	539	⬆ 34	⬆ 2	⬆ 2	⬇ 1				100.0
207	Math_Lovers	522	⬇ 18	⬇ 17	⬇ 9					100.0
208	London Computation Club	478	⬆ 4	⬆ 4	⬆ 2					100.0
209	Team Dominik Radler	413	⬆ 1	⬆ 4	⬆ 2		100.0
210	Czech National Team	353	⬇ 59	⬇ 8	⬇ 7		10.6			81.1	5.1
211	Team Bulgaria	342	⬇ 10	⬇ 7	⬇ 6						100.0
212	/r/counting	337	⬆ 16	⬆ 13
213	KnightLight	315	⬆ 1	⬆ 2						99.3
214	Unteranger Primelurche	269	⬇ 10	⬇ 9						100.0
215	www.Adamek.biz	265	⬆ 1	⬆ 1						100.0
216	Therian Primes	262	⬆ 24	⬆ 18						100.0
217	Math Teachers of the World	259							100.0
218	GIMPS Hams	253						100.0
219	Lithuania LT	247	⬆ 1	⬆ 2						100.0
220	DividerHunt	221	⬆ 4	⬆ 2			100.0
221	Manri Costa Rica	213	⬇ 60	⬇ 30	⬇ 26					100.0
222	yfinder	208		⬆ 1	⬇ 1					100.0
223	Name (t) = A x e^kt	207	⬇ 12	⬇ 12	⬇ 1					100.0
224	30thousandwon	193	⬇ 21		⬇ 1					100.0
225	GIMPS.Peace	122	⬆ 9	⬆ 1	⬇ 1		44.7	55.3
226	TeamUbuntu	121	⬆ 3	⬆ 1	⬇ 1					100.0
227	TeamEc	92	⬇ 21	⬇ 20	⬇ 1						100.0
228	FourthFloorFourEyes	46	⬆ 5		⬇ 1		100.0
229	PROMYS	23	⬆ 6		⬇ 1						100.0
230	sannerud.com	10	⬆ 6	⬆ 1	⬇ 1						100.0