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
41337173Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 272
P-1
B1 = 490000
B2 = 11882500
LL
StatusDateUserResidueShift
Verified2008-02-03Aaron AulgurAC019927B8FD1D1731014582
Verified2017-07-13Smok_bmv AC019927B8FD1D172436117
History
DateUserTypeResult
2020-01-10-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-04-Anonymous-NF
no factor from 2^72 to 2^73
2017-07-13Smok_bmv C-LL
AC019927B8FD1D17
2015-08-20AirSquirrelsNF
no factor from 2^71 to 2^72
2015-01-09srow7NF
no factor from 2^70 to 2^71
2014-12-31chalsallNF
no factor from 2^69 to 2^70
2013-12-11Torben K.NF
no factor from 2^68 to 2^69