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
85492423Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
TF
No factors below 276
TF target 275
P-1
B1 = 650000
B2 = 8937500
LL
StatusDateUserResidueShift
Unverified2019-03-15Sergey NosovA71A430ACCEAA6__23406163
History
DateUserTypeResult
2019-03-15Sergey NosovC-LL
A71A430ACCEAA6__
2018-01-17Adel El-AtawyNF-PM1
B1=650000, B2=8937500
2017-09-10TheJudgerNF
no factor from 2^75 to 2^76
2017-09-08Brian BeuningNF
no factor from 2^74 to 2^75
2017-04-28-Anonymous-NF
no factor from 2^73 to 2^74
2017-02-22Judge HaleNF
no factor from 2^72 to 2^73
2017-02-22Judge HaleNF
no factor from 2^71 to 2^72
2013-08-06RobishNF
no factor from 2^70 to 2^71
2013-07-20processinfoNF
no factor from 2^69 to 2^70
2013-06-26JaeckelNF
no factor from 2^68 to 2^69
2013-06-19JaeckelNF
no factor from 2^67 to 2^68
2013-02-26SMoffatNF
no factor from 2^66 to 2^67
2013-02-25SMoffatNF
no factor from 2^65 to 2^66
2010-11-27Architects CubedNF
no factor from 2^64 to 2^65