Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
7500673Factored
FactorDigitsBitsDate
92162697415335943809439563347437624112939129.42023-02-01 16:16:22
ECM
DigitsB1Curves
25500006 / 280
Estimated T-Level: 20.1 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)1999-07-27Ray Strubinger5A107FD9F7E5C8740
Verified (Factored)2002-04-07Ricardo Kawazoe Aguilera5A107FD9F7E5C874103628
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2023-02-07i808711F7D1BB073375181215545853
P-1 factors
DateFactorB1B2
2023-02-01921626974153359438094395633474376241129310000010315995690
History
DateUserTypeResult
2023-02-07curtiscCERT
PRP Certification
Proof certified good
2023-02-07i8087C-PRP
M7500673/921626974153359438094395633474376241129 : 11F7D1BB07337518
PRP proof power = 8
PRP: Verified
Proof certified good
2023-02-01DRobinsonPEF-PM1
Factor: 921626974153359438094395633474376241129 / (P-1, B1=3100000, B2=10315995690)
2021-03-16-Anonymous-NF
no factor from 2^71 to 2^72
2021-03-14-Anonymous-NF
no factor from 2^70 to 2^71
2021-03-14-Anonymous-NF
no factor from 2^69 to 2^70
2020-12-12Dylan DelgadoNF-PM1
B1=500000, B2=15000000, E=12
2020-06-01Gordon SpenceNF
no factor from 2^68 to 2^69
2020-05-31chuenkitNF
no factor from 2^68 to 2^69
2018-07-31ramgeisNF
no factor from 2^67 to 2^68
2016-09-22Gordon SpenceNF
no factor from 2^66 to 2^67
2015-06-09VictordeHollanderNF
no factor from 2^65 to 2^66
2013-11-28David CampeauNF
no factor from 2^64 to 2^65
2013-10-18NesowaNF
no factor from 2^63 to 2^64
2012-05-02James HeinrichNF-PM1
B1=145000, B2=3117500, E=6
2009-08-05Carsten KossendeyNF-PM1
B1=40000, B2=640000, E=6