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
84395789TF
No factors below 276
TF target 275
P-1
B1 = 675000
B2 = 13331250
PRP
StatusDateUserResidueShiftTypeBase
Verified2019-04-13ky0urakuB155EAACA8806A0B6990389013
Verified2021-02-18rbanovB155EAACA8806A0B4919939213
History
DateUserTypeResult
2021-02-18rbanovC-PRP
B155EAACA8806A0B
PRP: Verified
PRP without proof (not generated)
2019-04-13ky0urakuC-PRP
B155EAACA8806A0B
PRP: Verified
PRP without proof (not generated)
2017-10-29TheJudgerNF-PM1
B1=675000, B2=13331250, E=12
2017-04-24TheJudgerNF
no factor from 2^75 to 2^76
2017-04-24TheJudgerNF
no factor from 2^74 to 2^75
2017-04-24TheJudgerNF
no factor from 2^73 to 2^74
2017-01-26Judge HaleNF
no factor from 2^72 to 2^73
2017-01-26Judge HaleNF
no factor from 2^71 to 2^72
2014-08-13webbertNF
no factor from 2^70 to 2^71
2013-08-20processinfoNF
no factor from 2^69 to 2^70
2013-08-19processinfoNF
no factor from 2^68 to 2^69
2013-06-17symalladNF
no factor from 2^67 to 2^68
2013-02-20Juergen KampmeierNF
no factor from 2^66 to 2^67
2012-08-16Carsten KossendeyNF
no factor from 2^65 to 2^66
2010-12-24Architects CubedNF
no factor from 2^64 to 2^65