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

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MnStatusDetails
333008033Tested as composite (unverified, reliable): unconfirmed PRP test says not-prime
TF
No factors below 281
TF target 281
P-1
B1 = 2930000
B2 = 68122500
PRP
StatusDateUserResidueShiftTypeBase
Unverified (Reliable)2021-10-04muchoguano430C408B2C329F__1300479313
History
DateUserTypeResult
2023-03-27Mark RoseNF
no factor from 2^80 to 2^81
2023-03-25Mark RoseNF
no factor from 2^79 to 2^80
2023-03-02Mark RoseNF
no factor from 2^78 to 2^79
2021-10-04muchoguanoC-PRP
430C408B2C329F__
PRP: Unverified (Reliable)
PRP without proof (not generated)
2020-12-06muchoguanoNF-PM1
B1=2930000, B2=68122500
2020-05-19KrieselNF
no factor from 2^77 to 2^78
2020-05-19KrieselNF
no factor from 2^76 to 2^77
2013-09-24Preben SNF
no factor from 2^75 to 2^76
2013-07-15Greg LawlerNF
no factor from 2^74 to 2^75
2013-07-08Greg LawlerNF
no factor from 2^73 to 2^74
2013-06-23Greg LawlerNF
no factor from 2^72 to 2^73
2013-01-13LaurVNF
no factor from 2^71 to 2^72
2011-12-04laleraNF
no factor from 2^70 to 2^71
2011-12-04laleraNF
no factor from 2^69 to 2^70
2011-12-04laleraNF
no factor from 2^68 to 2^69
2011-11-29laleraNF
no factor from 2^67 to 2^68
2011-11-28laleraNF
no factor from 2^66 to 2^67
2010-11-02Architects CubedNF
no factor from 2^65 to 2^66
2010-09-08Architects CubedNF
no factor from 2^64 to 2^65