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
84108331Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 275
P-1
B1 = 670000
B2 = 12897500
PRP
StatusDateUserResidueShiftTypeBase
Verified2019-03-28ky0urakuF2D01406850E98841891183613
Verified2020-10-06TheJudgerF2D01406850E9884671462313
History
DateUserTypeResult
2020-10-06TheJudgerC-PRP
F2D01406850E9884
PRP: Verified
PRP without proof (not generated)
2020-10-06TheJudgerNF
no factor from 2^76 to 2^77
2019-03-28ky0urakuC-PRP
F2D01406850E9884
PRP: Verified
PRP without proof (not generated)
2017-10-31garoNF-PM1
B1=670000, B2=12897500, E=6
2017-04-14-Anonymous-NF
no factor from 2^75 to 2^76
2017-03-18Mark RoseNF
no factor from 2^74 to 2^75
2017-02-22Brian BeuningNF
no factor from 2^73 to 2^74
2017-01-05Judge HaleNF
no factor from 2^72 to 2^73
2017-01-05Judge HaleNF
no factor from 2^71 to 2^72
2013-11-06Ryan PropperNF
no factor from 2^70 to 2^71
2013-08-16processinfoNF
no factor from 2^69 to 2^70
2013-06-16Cornelius CaesarNF
no factor from 2^68 to 2^69
2013-02-23saffaNF
no factor from 2^67 to 2^68
2013-02-18saffaNF
no factor from 2^66 to 2^67
2012-08-05Carsten KossendeyNF
no factor from 2^65 to 2^66
2010-12-14Architects CubedNF
no factor from 2^64 to 2^65