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
6909949TF
No factors below 272
TF target 267
P-1
B1 = 15040000
B2 = 129494104740
ECM
DigitsB1Curves
25500006 / 280
Estimated T-Level: 20.1 ⓘ
LL
StatusDateUserResidueShift
Verified1999-05-23C. Cooper / S. Boone59187776CD3461306876988
Verified2001-10-20Michael Shafer59187776CD3461303743722
History
DateUserTypeResult
2024-02-27Jason LynchNF-PM1
B1=15040000, B2=129494104740
2021-11-22Seth_TrNF-PM1
B1=4000000, B2=110000000, E=12
2021-09-28SRBaseNF
no factor from 2^71 to 2^72
2021-08-10SRBaseNF
no factor from 2^70 to 2^71
2020-12-23takahashiNF
no factor from 2^69 to 2^70
2019-12-13mnd9NF
no factor from 2^68 to 2^69
2018-02-25-Anonymous-NF
no factor from 2^67 to 2^68
2016-04-01Gordon SpenceNF
no factor from 2^66 to 2^67
2015-06-26VictordeHollanderNF
no factor from 2^65 to 2^66
2014-02-18lycornNF
no factor from 2^64 to 2^65
2014-02-09NesowaNF
no factor from 2^63 to 2^64
2011-09-03Carsten KossendeyNF-PM1
B1=440000, B2=13310000, E=12