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
38499541TF
No factors below 273
TF target 272
P-1
B1 = 335000
B2 = 1675000
LL
StatusDateUserResidueShift
Verified2008-10-05Krchnak Jozef5CD275B992E42A5A22086476
Verified2016-05-20Richard_Otter5CD275B992E42A5A7181856
History
DateUserTypeResult
2022-06-14Sid & AndyNF
no factor from 2^72 to 2^73
2019-04-30monstNF
no factor from 2^71 to 2^72
2016-05-20Richard_OtterC-LL
5CD275B992E42A5A
2014-12-03NickOfTimeNF
no factor from 2^70 to 2^71
2014-11-25Mark RoseNF
no factor from 2^69 to 2^70