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
31672349Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 271
P-1
B1 = 320000
B2 = 3040000
LL
StatusDateUserResidueShift
Verified2006-08-25Ahmer Ali4212B9C0F57868B611479804
Verified2014-01-05sohei4212B9C0F57868B622699788
History
DateUserTypeResult
2024-05-21James HeinrichNF
no factor from 2^68 to 2^69
2020-11-06-Anonymous-NF
no factor from 2^74 to 2^75
2020-04-07-Anonymous-NF
no factor from 2^73 to 2^74
2019-11-29-Anonymous-NF
no factor from 2^72 to 2^73
2019-11-29-Anonymous-NF
no factor from 2^71 to 2^72
2018-10-26ramgeisNF
no factor from 2^70 to 2^71
2014-01-05soheiC-LL
4212B9C0F57868B6
2013-04-04bcp19NF
no factor from 2^69 to 2^70
2012-06-09Carsten KossendeyNF
no factor from 2^68 to 2^69