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
41007059Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 272
P-1
B1 = 390000
B2 = 3022500
LL
StatusDateUserResidueShift
Verified2010-11-12dmbeeson6C8CD6B4D06E8DD611830950
Verified2017-05-13Sergey Nosov6C8CD6B4D06E8DD626456420
History
DateUserTypeResult
2020-01-17-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-11-Anonymous-NF
no factor from 2^72 to 2^73
2017-05-13Sergey NosovC-LL
6C8CD6B4D06E8DD6
2015-06-07TheJudgerNF
no factor from 2^71 to 2^72
2014-12-12srow7NF
no factor from 2^70 to 2^71
2013-02-21Never Odd Or EvenNF
no factor from 2^69 to 2^70
2010-11-12dmbeesonC-LL
6C8CD6B4D06E8DD6
2010-05-27ahmeraliNF-PM1
B1=390000, B2=3022500
2010-05-18ahmeraliNF
no factor to 2^69