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
67564993Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 645000
B2 = 15802500
LL
StatusDateUserResidueShift
Verified2016-06-14ChikeDDD763FA8E1CA4BF54751239
Verified2023-09-29MogdredDDD763FA8E1CA4BF22787675
History
DateUserTypeResult
2023-09-29MogdredC-LL
DDD763FA8E1CA4BF
2016-06-14ChikeC-LL
DDD763FA8E1CA4BF
2016-01-11Judge HaleNF
no factor from 2^74 to 2^75
2014-05-22owftheevilNF-PM1
B1=645000, B2=15802500, e=6
2014-05-19owftheevilNF
no factor from 2^73 to 2^74
2014-05-14James HeinrichNF
no factor from 2^72 to 2^73
2014-05-14James HeinrichNF
no factor from 2^71 to 2^72
2012-07-20-Anonymous-NF
no factor from 2^70 to 2^71
2012-02-23-Anonymous-NF
no factor from 2^69 to 2^70
2010-06-09-Anonymous-NF
no factor from 2^68 to 2^69
2010-06-05Kelly LowderNF
no factor from 2^67 to 2^68
2010-05-24Aldo_GridNF
no factor from 2^66 to 2^67
2010-05-09-Anonymous-NF
no factor from 2^65 to 2^66
2010-01-04bzmNF
no factor from 2^64 to 2^65
2008-12-25Wojciech FlorekNF
no factor from 2^63 to 2^64