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
104156251Tested as composite (unverified, reliable): unconfirmed PRP test says not-prime
TF
No factors below 276
TF target 276
P-1
B1 = 521000
B2 = 83266050
PRP
StatusDateUserResidueShiftTypeBase
Unverified (Reliable)2020-12-13-Anonymous-BD1350A0E387E0__3668830613
History
DateUserTypeResult
2023-01-19Mark RoseNF-PM1
B1=521000, B2=83266050
2020-12-13-Anonymous-C-PRP
BD1350A0E387E0__
PRP: Unverified (Reliable)
PRP without proof (not generated)
2020-11-25-Anonymous-NF-PM1
B1=1060000
2020-10-16ktonyNF
no factor from 2^75 to 2^76
2020-10-16ktonyNF
no factor from 2^74 to 2^75
2020-03-30SRBaseNF
no factor from 2^73 to 2^74
2020-03-12masserNF
no factor from 2^72 to 2^73
2014-12-24Ilya AlexandrovNF
no factor from 2^71 to 2^72
2014-11-02Thomas LeplusNF
no factor from 2^70 to 2^71
2014-10-13SMoffatNF
no factor from 2^69 to 2^70
2014-06-16EvertonNF
no factor from 2^68 to 2^69
2014-06-11SMoffatNF
no factor from 2^67 to 2^68
2014-05-13symalladNF
no factor from 2^66 to 2^67
2012-05-07sasaki3NF
no factor from 2^65 to 2^66
2010-08-26Dalos LeeNF
no factor from 2^64 to 2^65
2010-07-02Torchwood InstituteNF
no factor from 2^63 to 2^64