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
40329631TF
No factors below 275
TF target 272
P-1
B1 = 1500000
B2 = 30000000
LL
StatusDateUserResidueShift
Verified2010-09-16WR1261F4DAE4D20BF133120892
Verified2017-02-26Sergey Nosov1261F4DAE4D20BF117758975
History
DateUserTypeResult
2020-10-18Sid & AndyNF
no factor from 2^74 to 2^75
2020-07-06Sid & AndyNF-PM1
B1=1500000, B2=30000000, E=12
2019-12-29-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-04-Anonymous-NF
no factor from 2^72 to 2^73
2017-02-26Sergey NosovC-LL
1261F4DAE4D20BF1
2015-03-02Gordon SpenceNF
no factor from 2^71 to 2^72
2015-01-02ixfd64NF
no factor from 2^69 to 2^71
2013-10-21VictordeHollanderNF
no factor from 2^68 to 2^69
2010-09-16WRC-LL
1261F4DAE4D20BF1
2009-07-08-Anonymous-NF-PM1
B1=665000