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
86829131Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 275
P-1
B1 = 705000
B2 = 13923750
PRP
StatusDateUserResidueShiftTypeBase
Verified2019-09-19ky0urakuE575EFCFC19DCB533476751813
Verified2025-03-20GregE575EFCFC19DCB53013
History
DateUserTypeResult
2025-03-20PoaoCERT
PRP Certification
CERT proof power = 9
Proof certified good
2025-03-20GregC-PRP
E575EFCFC19DCB53
PRP proof power = 9
PRP: Verified
Proof certified good
2019-09-19ky0urakuC-PRP
E575EFCFC19DCB53
PRP: Verified
PRP without proof (not generated)
2018-04-25jackwingNF-PM1
B1=705000, B2=13923750, E=12
2018-03-091997rj7NF
no factor from 2^75 to 2^76
2018-02-08Brian BeuningNF
no factor from 2^74 to 2^75
2017-06-06gcardonaNF
no factor from 2^73 to 2^74
2013-11-21processinfoNF
no factor from 2^72 to 2^73
2013-11-21processinfoNF
no factor from 2^71 to 2^72
2013-11-21processinfoNF
no factor from 2^70 to 2^71
2013-03-21Florimond C.NF
no factor from 2^69 to 2^70
2013-03-20andrea.biancalanaNF
no factor from 2^68 to 2^69
2013-03-07Brian V.NF
no factor from 2^67 to 2^68
2013-03-03SMoffatNF
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