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
6977797TF
No factors below 272
TF target 267
P-1
B1 = 13918000
B2 = 131528336940
ECM
DigitsB1Curves
25500009 / 280
Estimated T-Level: 20.2 ⓘ
LL
StatusDateUserResidueShift
Verified1999-06-26David UnderbakkeE4F1A7AC80A12B6D0
Verified2002-01-15Adam CreweE4F1A7AC80A12B6D6141413
History
DateUserTypeResult
2024-02-22Jason LynchNF-PM1
B1=13918000, B2=131528336940
2021-11-24Seth_TrNF-PM1
B1=4000000, B2=110000000, E=12
2021-09-25SRBaseNF
no factor from 2^71 to 2^72
2021-09-06SRBaseNF
no factor from 2^70 to 2^71
2021-08-09takahashiNF
no factor from 2^69 to 2^70
2020-04-24TJAOINF
no factor from 2^68 to 2^69
2020-01-30takahashiNF-PM1
B1=600000, B2=12000000, E=12
2018-02-27-Anonymous-NF
no factor from 2^67 to 2^68
2016-04-26Gordon SpenceNF
no factor from 2^66 to 2^67
2015-07-03VictordeHollanderNF
no factor from 2^65 to 2^66
2014-02-15lycornNF
no factor from 2^64 to 2^65
2014-02-09NesowaNF
no factor from 2^63 to 2^64
2011-11-30James HeinrichNF-PM1
B1=135000, B2=2835000, E=6