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
38108897TF
No factors below 273
TF target 271
P-1
B1 = 200000
B2 = 3900000
LL
StatusDateUserResidueShift
Verified2009-05-10tscFE6309CF6532267F35773131
Verified2016-07-18MelksterFE6309CF6532267F1060715
History
DateUserTypeResult
2022-07-06RichD0NF
no factor from 2^72 to 2^73
2022-04-22Architects CubedNF
no factor from 2^71 to 2^72
2016-07-18MelksterC-LL
FE6309CF6532267F
2014-11-28krackerNF
no factor from 2^70 to 2^71
2014-10-17HBendtzNF
no factor from 2^69 to 2^70
2010-04-26Carsten KossendeyNF-PM1
B1=200000, B2=3900000, E=6
2009-05-10tscC-LL
FE6309CF6532267F