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
332316793Composite: proven not-prime with PRP test
TF
No factors below 281
TF target 281
P-1
B1 = 2345000
B2 = 76837000
PRP
StatusDateUserResidueShiftTypeBase
Verified2022-05-11Ruslan Borisov420ECCCB1318AD5F25712420713
History
DateUserTypeResult
2023-10-18James HeinrichNF
no factor from 2^67 to 2^68
2023-03-23Mark RoseNF
no factor from 2^80 to 2^81
2023-03-23Mark RoseNF
no factor from 2^79 to 2^80
2022-05-31Jan S.CERT
PRP Certification
CERT proof power = 9
Proof certified good
2022-05-11Ruslan BorisovC-PRP
420ECCCB1318AD5F
PRP proof power = 9
PRP: Verified
Proof certified good
2021-03-04Ruslan BorisovNF-PM1
B1=2345000, B2=76837000
2020-10-30Team_InspectorNF
no factor from 2^78 to 2^79
2020-10-27Team_InspectorNF
no factor from 2^77 to 2^78
2020-07-29el groccoNF
no factor from 2^76 to 2^77
2016-01-14Team_InspectorNF
no factor from 2^75 to 2^76
2013-10-30shengNF
no factor from 2^74 to 2^75
2013-09-23Team_InspectorNF
no factor from 2^73 to 2^74
2013-01-16LaurVNF
no factor from 2^72 to 2^73
2012-05-20Grant McCrackenNF
no factor from 2^71 to 2^72
2011-06-14Grant McCrackenNF
no factor from 2^70 to 2^71
2010-09-30SunfishNF
no factor from 2^69 to 2^70
2009-08-27Team_InspectorNF
no factor from 2^68 to 2^69