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

PrimeNet Exponent Status

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MnStatusDetails
104215883Tested as composite (unverified, reliable): unconfirmed PRP test says not-prime
TF
No factors below 276
TF target 276
P-1
B1 = 812000
B2 = 34371000
PRP
StatusDateUserResidueShiftTypeBase
Unverified (Reliable)2020-11-28tServo0CF6E27988FBBB__013
History
DateUserTypeResult
2021-01-09Architects CubedNF-PM1
B1=812000, B2=34371000
2020-11-28tServoC-PRP
0CF6E27988FBBB__
PRP: Unverified (Reliable)
PRP without proof (not generated)
2020-09-27RichD0NF
no factor from 2^75 to 2^76
2020-09-24RichD0NF
no factor from 2^74 to 2^75
2020-03-30SRBaseNF
no factor from 2^73 to 2^74
2019-09-02Smok_bmv NF
no factor from 2^72 to 2^73
2015-01-18workerthreadNF
no factor from 2^71 to 2^72
2014-10-21SMoffatNF
no factor from 2^70 to 2^71
2014-10-17SMoffatNF
no factor from 2^69 to 2^70
2014-10-14SMoffatNF
no factor from 2^68 to 2^69
2014-06-11SMoffatNF
no factor from 2^67 to 2^68
2014-05-15-Anonymous-NF
no factor from 2^66 to 2^67
2012-05-04sasaki3NF
no factor from 2^65 to 2^66
2010-08-26sasaki3NF
no factor from 2^64 to 2^65
2010-04-18Torchwood InstituteNF
no factor from 2^63 to 2^64