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
38510447TF
No factors below 273
TF target 272
P-1
B1 = 565000
B2 = 12712500
LL
StatusDateUserResidueShift
Verified2008-05-10Steve Jacobson31525F16756A969E9708301
Verified2015-06-24aurashift31525F16756A969E26674626
History
DateUserTypeResult
2022-06-13Sid & AndyNF
no factor from 2^72 to 2^73
2019-02-18monstNF
no factor from 2^71 to 2^72
2018-06-28Architects CubedNF-PM1
B1=565000, B2=12712500, E=12
2015-06-24aurashiftC-LL
31525F16756A969E
2014-12-03krackerNF
no factor from 2^70 to 2^71
2014-03-31mikrNF
no factor from 2^69 to 2^70
2009-05-16Carsten KossendeyNF-PM1
B1=205000, B2=3792500