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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
5575841TF
No factors below 272
TF target 266
P-1
B1 = 5000000
B2 = 6423588990
ECM
DigitsB1Curves
25500009 / 280
Estimated T-Level: 20.2 ⓘ
LL
StatusDateUserResidueShift
VerifiedBrian Pinto5A2F7D1166CE020A0
Verified2000-09-08frisbee5A2F7D1166CE020A838195
History
DateUserTypeResult
2022-09-10Sid & AndyNF-PM1
B1=5000000, B2=6423588990
2021-10-26SRBaseNF
no factor from 2^71 to 2^72
2021-08-24SRBaseNF
no factor from 2^70 to 2^71
2021-08-19SRBaseNF
no factor from 2^69 to 2^70
2020-08-24TJAOINF
no factor from 2^68 to 2^69
2019-10-15USAFSSNF-PM1
B1=335000, B2=9966250, E=12
2018-07-05ramgeisNF
no factor from 2^67 to 2^68
2016-07-31Gordon SpenceNF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^1 to 2^62
2015-09-03snme2pm1NF
no factor from 2^65 to 2^66
2014-12-21monstNF
no factor from 2^64 to 2^65
2014-12-20NesowaNF
no factor from 2^63 to 2^64
2010-05-05Squeeky_SquirrelNF-PM1
B1=65000, B2=1121250, E=6
2009-04-20GrunwalderGIMPNF
no factor from 2^62 to 2^63