Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
112002227Tested as composite (unverified, reliable): unconfirmed PRP test says not-prime
TF
No factors below 277
TF target 276
P-1
B1 = 856000
B2 = 423790620
PRP
StatusDateUserResidueShiftTypeBase
Unverified (Reliable)2020-11-26Hattu_H0423C566D65DDD__4526390413
History
DateUserTypeResult
2024-10-04mewturnNF-PM1
B1=856000, B2=423790620
2024-06-23James HeinrichNF
no factor from 2^72 to 2^73
2023-08-18Th3D0kt0rNF
no factor from 2^76 to 2^77
2020-11-26Hattu_HC-PRP
0423C566D65DDD__
PRP: Unverified (Reliable)
PRP without proof (not generated)
2020-10-14Hattu_HNF-PM1
B1=1160000
2020-08-02KrieselNF
no factor from 2^75 to 2^76
2020-06-17Gordon BowerNF
no factor from 2^74 to 2^75
2020-05-22GROBERTSNF
no factor from 2^73 to 2^74
2019-04-20ConductorNF
no factor from 2^72 to 2^73
2018-11-19el groccoNF
no factor from 2^71 to 2^72
2015-02-23MatthaeusNF
no factor from 2^70 to 2^71
2015-02-15JakeWNF
no factor from 2^69 to 2^70
2015-02-07JakeWNF
no factor from 2^68 to 2^69
2014-11-18RichD0NF
no factor from 2^67 to 2^68
2014-11-11ANONYMOUSNF
no factor from 2^66 to 2^67
2012-05-31omiXorpNF
no factor from 2^65 to 2^66
2010-09-24lindedNF
no factor from 2^64 to 2^65
2010-05-08RichardNF
no factor from 2^63 to 2^64