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
72543283Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 274
P-1
B1 = 665000
B2 = 12801250
LL
StatusDateUserResidueShift
Unverified2015-10-05Alexander TsupkoA9149F9D698035__15312408
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-10-22Luke DurantA1A70940A9CC3407013
History
DateUserTypeResult
2024-10-22ResolverCERT
PRP Certification
CERT proof power = 9
Proof certified good
2024-10-22Luke DurantC-PRP
A1A70940A9CC3407
PRP proof power = 9
PRP: Verified
Proof certified good
2023-06-08Smok_bmv NF
no factor from 2^75 to 2^76
2015-10-05Alexander TsupkoC-LL
A9149F9D698035__
2015-03-27gcardonaNF
no factor from 2^74 to 2^75
2015-03-23dragon325NF-PM1
B1=665000, B2=12801250
2015-03-15garoNF
no factor from 2^73 to 2^74
2015-03-15garoNF
no factor from 2^72 to 2^73
2015-03-15garoNF
no factor from 2^71 to 2^72
2014-06-13HBendtzNF
no factor from 2^70 to 2^71
2012-10-05SMoffatNF
no factor from 2^69 to 2^70
2010-08-02SAHS Science DeptNF
no factor from 2^68 to 2^69
2010-07-30SAHS Science DeptNF
no factor from 2^67 to 2^68
2010-07-26walluNF
no factor from 2^66 to 2^67
2010-07-26ANONYMOUSNF
no factor from 2^65 to 2^66
2010-07-21symalladNF
no factor from 2^64 to 2^65
2008-09-19Wojciech FlorekNF
no factor to 2^64