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
4589707TF
No factors below 273
TF target 265
P-1
B1 = 4400000
B2 = 11419636800
ECM
DigitsB1Curves
25500009 / 280
Estimated T-Level: 20.2 ⓘ
LL
StatusDateUserResidueShift
VerifiedKlaus Kastens02DA95D09CE78CFA0
BadKlaus KastensAD5EF17D9C4322101491077
BadKlaus KastensAD5EF17D9C4322102147471
Verified1998-07-11Ben Bradley02DA95D09CE78CFA0
Bad2002-03-10Shane SanfordA630586764975FDD1999707
Verified2002-04-07Matt McParland02DA95D09CE78CFA2273766
Verified2019-05-13Team_Inspector02DA95D09CE78CFA284285
Verified2021-11-02Lisander Viaene02DA95D09CE78CFA2178924
History
DateUserTypeResult
2023-02-17Sid & AndyNF-PM1
B1=4400000, B2=11419636800
2021-11-02Lisander ViaeneC-LL
02DA95D09CE78CFA
2021-02-19-Anonymous-NF
no factor from 2^72 to 2^73
2021-02-01-Anonymous-NF
no factor from 2^71 to 2^72
2021-01-26-Anonymous-NF
no factor from 2^70 to 2^71
2021-01-26-Anonymous-NF
no factor from 2^69 to 2^70
2021-01-26-Anonymous-NF
no factor from 2^68 to 2^69
2019-05-13Team_InspectorC-LL
02DA95D09CE78CFA
2018-05-21ramgeisNF
no factor from 2^67 to 2^68
2018-05-21ramgeisNF
no factor from 2^66 to 2^67
2017-01-29Squeeky_SquirrelNF-PM1
B1=285000, B2=8478750, E=12
2017-01-27Ismo LaitelaNF-PM1
B1=1988203, B2=61634303, E=12
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2016-02-23Mark RoseNF
no factor from 2^60 to 2^61
2015-07-03snme2pm1NF
no factor from 2^65 to 2^66
2015-01-06lycornNF
no factor from 2^64 to 2^65
2015-01-05JayderNF
no factor from 2^63 to 2^64
2012-01-08GrunwalderGIMPNF
no factor from 2^1 to 2^63
2011-12-05Squeeky_SquirrelNF-PM1
B1=85000, B2=1572500, E=6
2010-08-15markrNF
no factor from 2^61 to 2^62