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
5337373TF
No factors below 271
TF target 266
P-1
B1 = 4000000
B2 = 10285831710
ECM
DigitsB1Curves
25500009 / 280
Estimated T-Level: 20.2 ⓘ
LL
StatusDateUserResidueShift
VerifiedPaul Victor Novarese5ACF2D05BAA9D9CC0
Verified1999-12-15Gordon Bower5ACF2D05BAA9D9CC920651
History
DateUserTypeResult
2022-09-14Sid & AndyNF-PM1
B1=4000000, B2=10285831710
2022-02-14mikrNF
no factor from 2^70 to 2^71
2021-11-03TJAOINF
no factor from 2^69 to 2^70
2020-08-24TJAOINF
no factor from 2^68 to 2^69
2019-06-29KingNF-PM1
B1=1000000, B2=22500000, E=6
2019-02-19USAFSSNF-PM1
B1=320000, B2=9520000, E=12
2018-06-19ramgeisNF
no factor from 2^67 to 2^68
2016-08-06Gordon SpenceNF
no factor from 2^66 to 2^67
2015-08-16snme2pm1NF
no factor from 2^65 to 2^66
2014-12-25VictordeHollanderNF
no factor from 2^64 to 2^65
2014-12-25VictordeHollanderNF
no factor from 2^63 to 2^64
2010-09-17Squeeky_SquirrelNF-PM1
B1=60000, B2=960000, E=6
2009-08-23Carsten KossendeyNF-PM1
B1=25000, B2=343750
2009-05-27GrunwalderGIMPNF
no factor from 2^62 to 2^63