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
120898423Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 846000
B2 = 1610631330
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-08-04Luke Durant8ED425E4499D5040013
Verified2024-09-10Dr Mamdouh Barakat on MBAi Cloud8ED425E4499D50405496308013
History
DateUserTypeResult
2024-09-11Luke DurantCERT
PRP Certification
CERT proof power = 8
Proof certified good
2024-09-10Dr Mamdouh Barakat on MBAi CloudC-PRP
8ED425E4499D5040
PRP proof power = 8
PRP: Verified
Proof certified good
2024-08-04David AshCERT
PRP Certification
CERT proof power = 9
Proof certified good
2024-08-04Luke DurantC-PRP
8ED425E4499D5040
PRP proof power = 9
PRP: Verified
Proof certified good
2024-07-27MadPooNF-PM1
B1=846000, B2=1610631330
2022-06-20TheJudgerNF
no factor from 2^76 to 2^77
2021-07-17TheJudgerNF
no factor from 2^75 to 2^76
2021-07-17TheJudgerNF
no factor from 2^74 to 2^75
2021-07-17TheJudgerNF
no factor from 2^73 to 2^74
2020-10-23SRBaseNF
no factor from 2^72 to 2^73
2015-05-11vats09NF
no factor from 2^71 to 2^72
2015-05-11vats09NF
no factor from 2^70 to 2^71
2015-05-11vats09NF
no factor from 2^69 to 2^70
2015-05-11vats09NF
no factor from 2^68 to 2^69
2015-02-19caddrNF
no factor from 2^67 to 2^68
2013-09-29E.LechnerNF
no factor from 2^66 to 2^67
2012-08-08HardyP GermanyNF
no factor from 2^65 to 2^66
2010-10-20Martti JärviNF
no factor from 2^64 to 2^65
2010-05-17CreweNetNF
no factor from 2^63 to 2^64