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
87397669TF
No factors below 276
TF target 275
P-1
B1 = 715000
B2 = 14121250
PRP
StatusDateUserResidueShiftTypeBase
Unverified (Reliable)2019-10-31ky0uraku21848A1167917F__2637051813
History
DateUserTypeResult
2019-10-31ky0urakuC-PRP
21848A1167917F__
PRP: Unverified (Reliable)
PRP without proof (not generated)
2018-05-06TheJudgerNF-PM1
B1=715000, B2=14121250, E=12
2018-04-03TheJudgerNF
no factor from 2^75 to 2^76
2017-06-02apocalypseNF
no factor from 2^74 to 2^75
2017-06-02apocalypseNF
no factor from 2^73 to 2^74
2017-06-02apocalypseNF
no factor from 2^72 to 2^73
2017-06-02apocalypseNF
no factor from 2^71 to 2^72
2013-03-16Juergen KampmeierNF
no factor from 2^70 to 2^71
2013-03-16Juergen KampmeierNF
no factor from 2^69 to 2^70
2013-03-16Juergen KampmeierNF
no factor from 2^68 to 2^69
2013-03-16Juergen KampmeierNF
no factor from 2^67 to 2^68
2013-03-16Juergen KampmeierNF
no factor from 2^65 to 2^67
2010-11-18Architects CubedNF
no factor from 2^64 to 2^65