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
40019131TF
No factors below 274
TF target 272
P-1
B1 = 475000
B2 = 12112500
LL
StatusDateUserResidueShift
Verified2008-07-25Jonathan Chappelow0BC4F21024E0DDC06641189
Verified2017-01-31Sergey Nosov0BC4F21024E0DDC029751532
History
DateUserTypeResult
2020-02-14-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-04-Anonymous-NF
no factor from 2^72 to 2^73
2017-01-31Sergey NosovC-LL
0BC4F21024E0DDC0
2014-12-28ChuckNF
no factor from 2^71 to 2^72
2014-11-26srow7NF
no factor from 2^70 to 2^71
2014-11-24Architects CubedNF
no factor from 2^69 to 2^70
2013-10-19Torben K.NF
no factor from 2^68 to 2^69