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
89549597Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
TF
No factors below 276
TF target 275
P-1
B1 = 785000
B2 = 19232500
LL
StatusDateUserResidueShift
Unverified2020-01-31Smok_bmv 33308DE3A80FD0__24876994
History
DateUserTypeResult
2020-01-31Smok_bmv C-LL
33308DE3A80FD0__
2018-12-19penluNF-PM1
B1=785000, B2=19232500, e=12
2018-10-24Strolling JellyfishNF
no factor from 2^75 to 2^76
2018-10-24Strolling JellyfishNF
no factor from 2^74 to 2^75
2017-09-20monstNF
no factor from 2^73 to 2^74
2017-08-25Sid & AndyNF
no factor from 2^72 to 2^73
2017-08-25Sid & AndyNF
no factor from 2^71 to 2^72
2014-12-05SMoffatNF
no factor from 2^70 to 2^71
2014-06-11bub15NF
no factor from 2^69 to 2^70
2014-02-01AdolfNorNF
no factor from 2^68 to 2^69
2013-12-22Carsten KossendeyNF
no factor from 2^67 to 2^68
2013-12-22Carsten KossendeyNF
no factor from 2^66 to 2^67
2013-06-22David CampeauNF
no factor from 2^65 to 2^66
2010-11-10Architects CubedNF
no factor from 2^64 to 2^65