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
31396999Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 271
P-1
B1 = 390000
B2 = 7312500
LL
StatusDateUserResidueShift
Verified2006-10-01Markoto Sajidman7A5A3FDAB6D1A36511741748
Verified2013-07-03mumble7A5A3FDAB6D1A36510578306
History
DateUserTypeResult
2020-03-06-Anonymous-NF
no factor from 2^73 to 2^74
2020-01-14Architects CubedNF-PM1
B1=390000, B2=7312500, E=12
2019-12-07-Anonymous-NF
no factor from 2^72 to 2^73
2019-12-07-Anonymous-NF
no factor from 2^71 to 2^72
2019-01-01ramgeisNF
no factor from 2^70 to 2^71
2013-07-03mumbleC-LL
7A5A3FDAB6D1A365
2013-03-12apsenNF
no factor from 2^69 to 2^70
2012-07-08Torchwood InstituteNF
no factor from 2^68 to 2^69