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
86823389Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 275
P-1
B1 = 705000
B2 = 13923750
PRP
StatusDateUserResidueShiftTypeBase
Verified2019-10-08Evgeniy ZavialovD8042C4E11F1E91B282040813
Verified2025-03-18GregD8042C4E11F1E91B013
History
DateUserTypeResult
2025-03-19stenleiCERT
PRP Certification
CERT proof power = 9
Proof certified good
2025-03-18GregC-PRP
D8042C4E11F1E91B
PRP proof power = 9
PRP: Verified
Proof certified good
2019-10-08Evgeniy ZavialovC-PRP
D8042C4E11F1E91B
PRP: Verified
PRP without proof (not generated)
2018-04-26jackwingNF-PM1
B1=705000, B2=13923750, E=12
2018-02-15Strolling JellyfishNF
no factor from 2^75 to 2^76
2018-02-07Brian BeuningNF
no factor from 2^74 to 2^75
2017-06-05gcardonaNF
no factor from 2^73 to 2^74
2017-04-18Judge HaleNF
no factor from 2^72 to 2^73
2017-04-18Judge HaleNF
no factor from 2^71 to 2^72
2014-08-31PascalBieriNF
no factor from 2^70 to 2^71
2014-06-18jfarekNF
no factor from 2^69 to 2^70
2014-02-15HobzNF
no factor from 2^68 to 2^69
2013-08-18RobishNF
no factor from 2^67 to 2^68
2013-06-18processinfoNF
no factor from 2^66 to 2^67
2013-01-31LaurVNF
no factor from 2^65 to 2^66
2010-11-23Architects CubedNF
no factor from 2^64 to 2^65