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
81724297Composite: proven not-prime with PRP test
TF
No factors below 275
TF target 275
P-1
B1 = 695000
B2 = 14073750
PRP
StatusDateUserResidueShiftTypeBase
Verified2018-10-28Kriesel35491FF349FD6BF66617198613
Verified2020-01-17_p95holder_35491FF349FD6BF67913864213
History
DateUserTypeResult
2020-01-17_p95holder_C-PRP
35491FF349FD6BF6
PRP: Verified
PRP without proof (not generated)
2018-10-28KrieselC-PRP
35491FF349FD6BF6
PRP: Verified
PRP without proof (not generated)
2016-11-13TheJudgerNF-PM1
B1=695000, B2=14073750, E=12
2016-11-07dh1NF
no factor from 2^74 to 2^75
2016-11-06RichD0NF
no factor from 2^73 to 2^74
2016-10-041997rj7NF
no factor from 2^72 to 2^73
2014-08-08La GüiraNF
no factor from 2^71 to 2^72
2014-08-08La GüiraNF
no factor from 2^70 to 2^71
2014-07-06krebstarNF
no factor from 2^69 to 2^70
2013-12-08symalladNF
no factor from 2^68 to 2^69
2013-01-26Bold_SeekerNF
no factor from 2^67 to 2^68
2011-03-12ITSNF
no factor from 2^66 to 2^67
2011-03-09CLICHENF
no factor from 2^65 to 2^66
2010-12-15Architects CubedNF
no factor from 2^64 to 2^65