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
47965591Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 272
P-1
B1 = 560000
B2 = 14420000
LL
StatusDateUserResidueShift
Verified2010-04-04Alan NishiokaED2E78860A7D60D825855139
Verified2018-04-17Dan_AungstED2E78860A7D60D837386232
History
DateUserTypeResult
2018-04-17Dan_AungstC-LL
ED2E78860A7D60D8
2018-01-14TheJudgerNF
no factor from 2^72 to 2^73
2015-11-20-Anonymous-NF
no factor from 2^71 to 2^72
2015-05-21krackerNF
no factor from 2^70 to 2^71
2015-05-19LaurVNF
no factor from 2^69 to 2^70
2010-04-04Alan NishiokaC-LL
ED2E78860A7D60D8
2010-02-17Alan NishiokaNF-PM1
B1=560000, B2=14420000