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
83152723Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 275
P-1
B1 = 665000
B2 = 12801250
LL
StatusDateUserResidueShift
Unverified2019-02-02-Anonymous-5400321E4960D0__57423472
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-10-19Luke DurantCD6173D5B6B9EE4A9917513
History
DateUserTypeResult
2024-10-19George WoltmanCERT
PRP Certification
CERT proof power = 9
Proof certified good
2024-10-19Luke DurantC-PRP
CD6173D5B6B9EE4A
PRP proof power = 9
PRP: Verified
Proof certified good
2019-02-02-Anonymous-C-LL
5400321E4960D0__
2017-08-21nranksNF-PM1
B1=665000, B2=12801250, E=12
2017-02-12TheJudgerNF
no factor from 2^75 to 2^76
2016-12-28Brian BeuningNF
no factor from 2^74 to 2^75
2016-12-28Brian BeuningNF
no factor from 2^73 to 2^74
2016-12-05Judge HaleNF
no factor from 2^72 to 2^73
2015-12-20Mark RoseNF
no factor from 2^71 to 2^72
2015-03-03monstNF
no factor from 2^70 to 2^71
2014-04-29tmorrowNF
no factor from 2^69 to 2^70
2014-04-21tmorrowNF
no factor from 2^68 to 2^69
2014-03-25sasakiNF
no factor from 2^67 to 2^68
2014-03-25sasakiNF
no factor from 2^66 to 2^67
2013-06-21Juergen KampmeierNF
no factor from 2^71 to 2^72
2012-08-21Carsten KossendeyNF
no factor from 2^65 to 2^66
2010-12-06Architects CubedNF
no factor from 2^64 to 2^65