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
80281303Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 275
P-1
B1 = 705000
B2 = 14452500
LL
StatusDateUserResidueShift
Unverified2018-06-21Evgeniy Zavialov96D660856503D3__45610452
PRP
StatusDateUserResidueShiftTypeBase
Verified2025-07-07Kamil Gorski0C52038D130825B7013
History
DateUserTypeResult
2025-10-03linamentNF
no factor from 2^75 to 2^76
2025-07-07carel van der westhuizenCERT
PRP Certification
CERT proof power = 9
Proof certified good
2025-07-07Kamil GorskiC-PRP
0C52038D130825B7
PRP proof power = 9
PRP: Verified
Proof certified good
2018-06-21Evgeniy ZavialovC-LL
96D660856503D3__
2016-12-26bamNF-PM1
B1=705000, B2=14452500
2016-10-09TheJudgerNF
no factor from 2^74 to 2^75
2016-10-09TheJudgerNF
no factor from 2^73 to 2^74
2016-10-05Judge HaleNF
no factor from 2^72 to 2^73
2016-03-14RichD0NF
no factor from 2^71 to 2^72
2013-06-03ToddNF
no factor from 2^70 to 2^71
2011-02-07root_slaterNF
no factor from 2^69 to 2^70
2011-02-01Aldo_GridNF
no factor from 2^68 to 2^69
2011-01-23kelyeNF
no factor from 2^67 to 2^68
2011-01-23-Anonymous-NF
no factor from 2^66 to 2^67
2011-01-18symalladNF
no factor from 2^65 to 2^66
2010-12-01Architects CubedNF
no factor from 2^64 to 2^65