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 2026-07-09 14:00 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	Slovakia	595895847	⬆ 1				0.1	98.5	0.1		1.3
2	GIMPS.Russia	353302793	⬇ 1				0.4		0.1		99.5
3	PrimeNet	149928410		⬆ 1			0.2	80.0	0.6	0.8	18.4
4	Ars Technica Team Prime Rib	139689628	⬆ 2	⬇ 1				99.2		0.8
5	POLAND	112064409	⬇ 1				0.9	95.2	0.5	0.1	3.3
6	-Too many Ones-	63947668	⬇ 1					77.7			22.3
7	Team#1	20745932	⬆ 7	⬆ 1			2.1	18.4	48.9	28.4	2.2
8	GIMPSChina	20000282		⬇ 1			58.8	24.0	4.4	0.7	12.0
9	GW's legions	13940023	⬆ 2					0.8	37.7	1.7	59.7
10	UCM-curtisc	11862012	⬆ 2						99.2	0.8
11	Team-Deutschland	11631113	⬇ 1				2.6	57.2	0.9	0.1	39.1
12	Numberphile	10569359	⬆ 6	⬆ 4			3.7	19.5	5.9	1.8	68.9
13	More Power!!!	10242225		⬇ 1			17.2	69.2	2.8	2.4	8.4
14	TeamUK	6848540	⬆ 1				47.6	2.6	20.3	1.6	27.7	0.1
15	Porta Kruse	6363716	⬆ 1				2.0	0.5			91.2	6.2
16	One Man Team	6200726	⬇ 7	⬇ 3				99.1	0.9
17	GPU to 72	5084326					50.3	29.2	0.8	3.6	15.8
18	tsc	3375623	⬆ 2	⬆ 1			61.5	2.6	1.0	0.4	34.5
19	UW Eau Claire	3329607	⬆ 2	⬇ 1			90.3		7.1	2.6
20	UKRAINE	2607504	⬆ 2	⬆ 1	⬆ 1		8.3	5.9	75.4	10.4
21	Argentina	2563445	⬆ 19	⬇ 1	⬇ 1		92.1		7.9
22	Wikipedia	1925417	⬆ 1				57.6	34.6	4.7	2.1	0.8
23	GIMPS.Korea	1408946	⬆ 6	⬆ 1	⬆ 1		88.1	4.7	3.8	0.9	2.4
24	SpongeBob SquarePants	1333611	⬇ 5	⬇ 1	⬇ 1			30.3	62.1	7.6
25	GIMPS.Occitania	1201769	⬆ 3					4.4				95.6
26	Swedes Of Primes	1097172	⬆ 1				1.3	78.1	17.5	3.1
27	Dutch Power Cows	1070422	⬇ 3				42.4	10.5	1.6	2.4	43.1
28	MBAi.Cloud	834829	⬆ 2						99.9	0.1
29	404 - "Primes not Found"	594965	⬆ 19	⬆ 9	⬆ 1		89.3		10.6	0.1
30	MATHSareREAL	578886	⬆ 1	⬇ 1	⬇ 1		96.2		2.5	1.3
31	Buhr	507459	⬆ 3				51.8	4.9	16.5	5.2	21.6
32	GIMPS.USA	457172	⬇ 7	⬆ 10			31.8	46.7	14.9	3.8	2.4
33	citizenscience.ru	435635	⬇ 1	⬇ 1			86.6	2.3	6.2	1.0	3.5	0.4
34	Colorado School of Mines	392025	⬆ 5	⬆ 2			88.6		10.0	1.4
35	Rechenkraft.net	372255		⬇ 1	⬆ 1	⬆ 1	0.5	51.3	6.0	6.8	35.4
36	GIMPS.Japan	369159	⬇ 10	⬇ 3	⬇ 1	⬇ 1	34.4		33.2	11.1	21.1
37	Terry Kim Team	366341	⬇ 1	⬇ 2			95.6		3.3	0.7
38	MOXA	355974	⬇ 5	⬇ 1			99.2		0.7	0.1
39	S485122	304164	⬇ 2					95.1		4.9
40	unRAID	268814	⬇ 33	⬇ 10				67.5	29.2	2.6	0.6
41	Smoke-it	250504	⬇ 3	⬇ 1			90.4	7.6	1.6
42	YahsTeam	247723	⬇ 1	⬇ 1			88.0		9.5	2.5
43	nranks	237013	⬆ 2				31.3	0.5	2.7	0.4	65.1
44	NanJing Tech	216356	⬆ 15	⬆ 1			24.2		72.4	3.4
45	GIMPS Team Philippines	203161	⬇ 2	⬆ 1			51.6		9.8	1.7	32.7
46	NerdyGirls	197660	⬇ 2	⬇ 2				42.9	4.9	52.2
47	Canada	185008	⬇ 1				7.6	1.6	66.1	24.6
48	Team Tartan	172736	⬇ 1						77.0	23.0
49	OverclockerAustralia	145789					60.2		14.4	20.7
50	GIMPS.NZ	134419					79.2	0.2	11.1	9.3	0.1
51	Team China	129630	⬆ 1						99.7	0.3
52	Unicamp	126865	⬆ 1				68.3		28.1	3.6
53	GIMPS.France	116369	⬆ 3				9.6	68.9	4.2	5.3	11.9
54	IOTA	114998	⬆ 13				95.6		2.9	1.4
55	AMD Users	95692	⬆ 8	⬆ 3	⬆ 1		48.7	0.6	9.9	40.3	0.4
56	SASAKI	94062	⬇ 1	⬇ 1	⬇ 1		100.0
57	UIUC	90425	⬆ 5	⬆ 3	⬆ 1				67.8	32.2
58	GIMPS.Portugal	89587	⬆ 45	⬇ 2	⬇ 1		51.1	46.4		2.5
59	VIPR	87308	⬆ 29	⬆ 15	⬆ 3		92.8		5.4	1.6
60	SHADO	81517	⬆ 1	⬆ 3	⬆ 1	⬆ 2			63.9	17.9	11.1	1.2
61	Wisconsin	80791	⬇ 3	⬇ 2	⬇ 2	⬇ 1	36.7		32.1	31.1
62	GIMPS China	80332	⬇ 11	⬇ 5	⬇ 2	⬇ 1	85.1		8.7		5.9
63	Wile E. Coyote	79115	⬆ 6	⬆ 2					74.8	0.4	24.7
64	Net-Work	74359					5.7	2.2			83.6
65	Eratosthenes Sieve	73223		⬆ 2			0.8		95.3	3.9
66	randomteam	71704	⬇ 24	⬇ 4							100.0
67	Esperanto	66843	⬇ 1	⬆ 1	⬆ 2	⬆ 1		25.7	4.8	69.3	0.1
68	Cap'n Entropy's Cavalcade of Wonderment	66750	⬇ 8	⬇ 2		⬇ 1	69.0	7.9	19.9	3.2
69	S147127	66211	⬆ 5	⬆ 1	⬆ 1		31.9		21.9	46.2
70	BitMEX Research	65056	⬇ 16	⬇ 9	⬇ 3				95.1	4.9
71	ParadoxZ Commando	62974		⬆ 1	⬆ 1				72.7	27.3
72	Team Israel	61816	⬆ 1	⬇ 1	⬇ 1		97.0		2.6	0.4
73	Team_Italia	56862	⬇ 1	⬆ 2	⬆ 1		3.4	0.6	63.0	25.7	3.4	2.7
74	AJ	55549	⬇ 6	⬇ 5	⬇ 1				74.4	25.6
75	EgyptianPolymaths	54155	⬇ 18	⬇ 2				79.7
76	Hungary	52997	⬇ 6						4.6	1.4	93.9
77	Brno University of Technology	46044	⬇ 2					4.7	75.3	19.9
78	ComputerraRU	44582	⬇ 1				24.0		72.3	3.7
79	Team Belgium	38959	⬇ 1	⬆ 2	⬆ 1		1.4	2.5	32.6	26.1	37.5
80	GIMPS.NEO	38064	⬇ 4	⬇ 1	⬇ 1				79.9	20.1
81	Turku	36285	⬆ 2	⬆ 1					100.0
82	Team Viet Nam	36031	⬇ 2	⬇ 2			33.9		36.9	29.2
83	huskers-gimps	35940	⬆ 2	⬆ 1					74.5	25.5
84	HardOCP	34564	⬇ 3	⬇ 1					70.1	29.9
85	Debian	33368	⬇ 3	⬆ 1	⬆ 2				98.2	1.8
86	Hermessz	32998	⬆ 1	⬆ 2			64.3		35.7
87	Team H	32986	⬇ 3	⬇ 2	⬇ 2		13.4		86.0	0.6
88	ᕙ(⇀‸↼‶)ᕗ	32328	⬆ 3	⬇ 1			0.7		98.9	0.4
89	baraCUDA	29906	⬆ 133						100.0
90	NUST	29205	⬆ 17	⬆ 17	⬆ 15	⬆ 1	52.8	42.8	2.9	1.5
91	Small-Team-2000	28309	⬇ 1	⬇ 1	⬇ 1	⬇ 1			5.6	94.4
92	The Fellowship of Infinity	27356	⬆ 2	⬆ 1					99.5	0.5
93	Channel 4	27356		⬇ 2	⬇ 2				81.6	18.4
94	MurrayInfoSys	26836	⬆ 3		⬇ 1				67.0	32.9
95	Costa Rica	26494			⬇ 1				77.7	22.0
96	Aiblspitz	26158	⬆ 17		⬇ 1		0.1	86.5	3.0	10.4
97	socal_prime	25015	⬇ 8	⬇ 5	⬇ 1				75.2	24.6	0.1
98	Georgia Tech	20319	⬆ 11	⬇ 1	⬇ 1				100.0
99	LimePrime	18290	⬇ 3	⬆ 6	⬆ 1	⬆ 1		7.7	82.1	10.1
100	Team Retired	18002	⬇ 2	⬇ 2	⬇ 1	⬆ 1			30.4	11.8
101	A Single Engineer	17718	⬇ 1	⬇ 2	⬇ 3	⬇ 2			74.7	25.3
102	GIMPS Romania	17357	⬆ 31	⬇ 1	⬇ 1		74.1		22.9	3.0
103	Com Systems (RU)	16859	⬆ 14	⬆ 1	⬇ 1				69.6	30.4
104	PrimitiveRootsCircle	16793	⬇ 5	⬇ 1	⬇ 1		14.5		51.9	30.8	2.9
105	SpartaAlumni	15995	⬇ 4	⬇ 5	⬇ 1				73.6	26.4
106	MES-Team	13752	⬇ 14	⬇ 4			73.4	6.7		19.9
107	TurkishMath	13669	⬆ 18	⬆ 1					94.3	5.7
108	Spain	13473	⬇ 3	⬇ 2					69.9	30.1
109	RobotechResearch	13385	⬆ 17	⬆ 4					47.8	52.2
110	moeses	13376	⬆ 4						99.0	1.0
111	Quantus	12170		⬆ 1			10.0		13.0	25.1		51.9
112	Ozzie Prime	12077	⬇ 10	⬇ 3					39.3	15.5		45.3
113	Nerdfighters for Mersenne Primes	11224	⬇ 5	⬇ 2					91.4	8.6
114	Portland State University	11111	⬇ 4	⬆ 5	⬆ 5			40.9	44.6	14.5
115	FREE ROBUX	10852	⬆ 6	⬆ 2	⬇ 1				100.0
116	Team Slovenia	10717		⬇ 2	⬇ 1				65.4	34.6
117	Royal Military College of Canada	10691	⬆ 5	⬆ 1	⬇ 1		89.7		7.9	2.4
118	Team Finland	10532	⬇ 6	⬇ 3	⬇ 1		1.5		95.9		2.5
119	University of Waterloo	10493	⬆ 19	⬆ 4	⬇ 1				94.8	5.2
120	SETI.Germany	9358	⬇ 14	⬇ 4				10.1		89.9
121	Syntony	9286	⬆ 3							100.0
122	LTT fans	9056	⬇ 43	⬆ 2			92.5				7.5
123	Shaffer's Studio	8790	⬆ 5	⬆ 4					88.8	11.1
124	JiBoTeam	8639	⬆ 3	⬆ 1	⬆ 1					100.0
125	Granada	8622	⬇ 2	⬇ 5	⬇ 1		24.2		27.4	47.6
126	math.auth.gr	8551	⬆ 13	⬆ 4					100.0
127	Pavlicin	8407	⬆ 95	⬆ 8			79.7	0.1	20.2
128	Mensa	8400	⬇ 13	⬇ 2					84.3	15.7
129	FreeBSD	8386	⬆ 2	⬆ 2					75.9	24.1
130	Die Zeitfinder	7926	⬇ 1	⬇ 1					90.2	9.8
131	The_Dude_Abides	7677	⬆ 22	⬆ 22	⬆ 18	⬆ 1	3.2		32.5	49.7	0.7
132	Server66	7649	⬆ 5	⬆ 27	⬆ 1	⬆ 1	100.0
133	Abacus	7145	⬆ 1	⬆ 1	⬇ 2	⬇ 2			98.8	1.2
134	Triangle	7142	⬆ 1	⬇ 6	⬇ 2				98.7	1.3
135	GIMPS.Taiwan	7047	⬇ 15	⬇ 13	⬇ 1				81.2	18.1	0.1
136	Arpan Sen Labs	6685	⬆ 38	⬆ 6	⬆ 2	⬆ 2			55.4	44.6
137	Prime Rib	6573	⬆ 3	⬇ 5	⬇ 1	⬇ 1			96.4	3.6
138	FactorMania	6572	⬆ 16	⬇ 2	⬇ 1	⬇ 1		56.9			43.1
139	Team Norway	6352	⬇ 35	⬇ 6	⬇ 4		74.0			8.0	17.6
140	Team Christensen	6029	⬆ 4		⬇ 1					100.0
141	irowiki	5946		⬇ 4	⬇ 1					100.0
142	México mágico	5564	⬆ 15	⬇ 1	⬇ 1				85.4	14.6
143	Morocco	5426	⬆ 45	⬆ 9	⬆ 1				60.3	39.7
144	Brasil	5302	⬇ 2	⬇ 5	⬇ 1				74.0	25.9
145	KnightLight	5065	⬆ 2	⬆ 2						100.0
146	nmbarek_team	4943	⬆ 4	⬆ 2		⬆ 1			100.0
147	DePaul MAT 141	4934	⬆ 75	⬆ 7		⬆ 1			99.6	0.4
148	Crunching@EVGA	4888	⬆ 4	⬆ 2		⬆ 1			99.7	0.3
149	Korea.Prime	4709	⬆ 12	⬆ 2	⬆ 1	⬆ 1			66.8	33.2
150	YESHUA IS THE MESSIAH	4648	⬆ 29	⬆ 8	⬆ 2	⬆ 1			99.2	0.8
151	Elisabeth-von-Thadden-Schule	4538	⬇ 6	⬇ 8	⬇ 9	⬇ 5			51.1	48.9
152	Hong Kong GIMP	4464	⬇ 1	⬇ 8	⬇ 1				70.4	29.6
153	teamMALI	4158	⬇ 5	⬇ 4	⬆ 1				75.7	24.3
154	Noam Karni Team	3963	⬆ 5	⬆ 1	⬆ 1	⬆ 1			79.7	20.3
155	Hyperion	3944	⬇ 25	⬇ 10	⬇ 2	⬇ 1				14.2
156	Phi Kappa Theta	3760	⬆ 8	⬆ 5					66.1	33.9
157	Politeknik Banting, Selangor	3101	⬇ 38	⬇ 11	⬆ 1		65.4		25.5	9.1
158	Olympic College	3075		⬇ 1	⬆ 1					100.0
159	Team_Brazil	2999	⬆ 4	⬆ 6	⬆ 1		83.1	0.2		16.7
160	GIMPS.Hong Kong	2626		⬆ 6	⬆ 1		2.1		61.4	36.4
161	Pi Rho	2499	⬆ 7	⬆ 6	⬆ 2				67.1	32.9
162	GIMPSMalaysia	2394	⬆ 7	⬆ 6	⬆ 3				66.8	33.2
163	zeit	2382	⬇ 7	⬇ 1	⬇ 1		11.5			88.5
164	CZAsTc	2288	⬆ 23	⬆ 15	⬆ 2				99.5	0.4
165	Furry Primes	2256	⬇ 16	⬇ 1	⬇ 1		77.2			22.8
166	Kabylie	2209	⬇ 4	⬇ 3	⬆ 1		17.3	1.9	35.1	45.6
167	Team Austria	2199	⬇ 81	⬇ 11	⬆ 1		12.8	9.5	77.7
168	GIMPS_KS	2199	⬆ 4	⬆ 2	⬆ 1				36.5	62.0	1.4
169	VRS_SE	2102	⬆ 1		⬆ 1				75.0	25.0
170	The Prime Pioneers	1919	⬆ 6	⬆ 2	⬆ 1			100.0
171	The Pensis	1869	⬆ 6	⬆ 2	⬆ 1					100.0
172	San Francisco	1586	⬆ 9	⬆ 2	⬆ 1				100.0
173	hreid	1575	⬆ 25	⬆ 2	⬆ 1				100.0
174	cr_colorado	1549	⬆ 10	⬆ 2	⬆ 1					100.0
175	Obsidian	1542	⬇ 2	⬆ 2	⬆ 2					100.0
176	I Love Canadian Natural Resources	1514	⬇ 9	⬆ 2	⬆ 2					100.0
177	3DCenter.org	1194	⬇ 12	⬆ 3	⬆ 2						100.0
178	Amserver	1066	⬆ 44	⬆ 41	⬆ 2		100.0
179	Join Us 😈	1060	⬆ 21	⬆ 4	⬆ 2		66.8			33.2
180	youngfun429	1037	⬇ 34	⬆ 2	⬆ 2				75.3	24.7
181	TunisianTeam	1031	⬆ 2	⬆ 3	⬆ 2				75.0	25.0
182	Therian Primes	1007	⬆ 10	⬆ 3	⬆ 2			14.6		52.4	33.0
183	Team Bulgaria	905	⬆ 31	⬆ 33	⬆ 32				95.0		5.0
184	Czech National Team	903	⬆ 5	⬆ 2	⬆ 1		4.1		91.8	0.8	2.0
185	RafaÅ‚ HacuÅ›	860	⬆ 37	⬆ 3	⬆ 1				100.0
186	AWC	801	⬆ 9	⬆ 3	⬆ 1				100.0
187	GIMPS Asturias	794	⬆ 9	⬆ 4	⬆ 1				99.6	0.4
188	F=dp/dt	794	⬇ 8	⬆ 2	⬆ 1				100.0
189	Weatopians	793	⬆ 8	⬆ 3	⬆ 1				99.7	0.3
190	TimE4This	626	⬆ 3	⬇ 3	⬆ 1	⬆ 1				100.0
191	SGDynamo Dresden	595	⬆ 10	⬆ 3	⬆ 1	⬆ 1	100.0
192	PARG team	563	⬆ 28	⬆ 8	⬆ 1	⬆ 1				96.2	3.8
193	PrimeObsession	539	⬆ 9	⬆ 2	⬆ 1	⬆ 1				100.0
194	GIMPS.Romania	422	⬆ 28	⬆ 3	⬆ 1	⬆ 1			100.0
195	His Dark Materials	313	⬇ 4	⬆ 3	⬆ 2	⬆ 1					99.8
196	Yurunago	276	⬆ 10	⬆ 5	⬆ 2	⬆ 1				100.0
197	Vegan	275	⬆ 10	⬆ 6	⬆ 2	⬆ 1				100.0
198	Byberg Nordic Prime	265	⬇ 8	⬆ 6	⬆ 2	⬆ 1				100.0
199	FDY	265	⬆ 23	⬆ 6	⬆ 2	⬆ 1				100.0
200	Subprime Searches	256	⬇ 25	⬆ 6	⬆ 2	⬆ 2				100.0
201	GIMPS Hams	253	⬆ 9	⬆ 6	⬆ 2	⬆ 2		100.0
202	WSU Cougars	247	⬇ 36	⬇ 21	⬆ 2	⬆ 2				100.0
203	miiro	240	⬆ 12	⬆ 5	⬆ 3	⬆ 2	100.0
204	Zorin OS Crew	237	⬇ 18	⬇ 8	⬆ 3	⬆ 2				100.0
205	GIMPS_IOM	236	⬇ 27	⬇ 12	⬇ 9	⬇ 4	100.0
206	DividerHunt	221	⬆ 5	⬆ 3	⬆ 2	⬆ 1	100.0
207	Team Dominik Radler	214	⬇ 3	⬇ 5	⬇ 2	⬆ 1	100.0
208	Manri Costa Rica	213	⬆ 4	⬆ 3	⬆ 1	⬆ 1				100.0
209	/r/counting	184	⬇ 4	⬆ 3	⬆ 1	⬆ 1
210	alan145	180	⬇ 11		⬆ 1	⬆ 1	100.0
211	GIMPS.Peace	122	⬆ 5	⬆ 2	⬆ 1	⬆ 1	44.7	55.3
212	sannerud.com	108	⬆ 6	⬆ 3	⬆ 2	⬆ 2	43.1				19.4	37.5
213	PROMYS	23	⬆ 6	⬆ 4	⬆ 3	⬆ 2					100.0
214	yfinder	1	⬆ 7	⬆ 4	⬆ 3	⬆ 2				100.0