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
65004113Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 655000
B2 = 14410000
LL
StatusDateUserResidueShift
Verified2014-11-14ChrisS94164A93FD2362A06236031994
Verified2023-06-09dexter164A93FD2362A06257996207
History
DateUserTypeResult
2023-06-09dexterC-LL
164A93FD2362A062
2022-11-09La GüiraNF
no factor from 2^74 to 2^75
2016-03-28Mark RoseNF
no factor from 2^60 to 2^64
2014-11-14ChrisS94C-LL
164A93FD2362A062
2013-03-26Jerry HallettNF
no factor from 2^73 to 2^74
2013-03-13ChuckNF
no factor from 2^72 to 2^73
2013-02-23kdgehmanNF-PM1
B1=655000, B2=14410000, E=6
2013-02-21kdgehmanNF
no factor from 2^71 to 2^72
2012-06-07sikafarmi_rendering_farmNF
no factor from 2^70 to 2^71
2011-06-04laleraNF
no factor from 2^69 to 2^70
2011-01-17MarzbugNF
no factor from 2^68 to 2^69
2011-01-10MarzbugNF
no factor from 2^67 to 2^68
2011-01-07MarzbugNF
no factor from 2^66 to 2^67
2011-01-02MarzbugNF
no factor from 2^65 to 2^66
2009-10-30Sturle SundeNF
no factor from 2^64 to 2^65