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
31110347Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 271
P-1
B1 = 345000
B2 = 4312500
LL
StatusDateUserResidueShift
Verified2007-02-05Rhesa Rozendaal57892D9E083D523519819796
Verified2013-02-25WR57892D9E083D523525183280
History
DateUserTypeResult
2022-10-19Sid & AndyNF
no factor from 2^72 to 2^73
2022-07-28Jon PaceNF
no factor from 2^71 to 2^72
2018-08-08Architects CubedNF
no factor from 2^70 to 2^71
2013-02-25WRC-LL
57892D9E083D5235
2013-01-27Bill StaffenNF
no factor from 2^69 to 2^70
2012-06-11bcp19NF
no factor from 2^68 to 2^69
2011-05-28UngelovendeNF
no factor from 2^67 to 2^68