Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
45161159Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 272
P-1
B1 = 545000
B2 = 15123750
LL
StatusDateUserResidueShift
Verified2010-05-16shanmin519A0FBD3A75BCF429528604
Verified2017-04-30Evgeniy Zavialov519A0FBD3A75BCF433097616
Verified2020-02-17-Anonymous-519A0FBD3A75BCF436091413
History
DateUserTypeResult
2020-02-17-Anonymous-C-LL
519A0FBD3A75BCF4
2018-07-20Random GPUsNF
no factor from 2^72 to 2^73
2017-04-30Evgeniy ZavialovC-LL
519A0FBD3A75BCF4
2016-02-23Mark RoseNF
no factor from 2^63 to 2^64
2015-10-18-Anonymous-NF
no factor from 2^71 to 2^72
2015-09-28Sid & AndyNF
no factor from 2^70 to 2^71
2015-08-05Gordon SpenceNF
no factor from 2^69 to 2^70
2014-08-01VictordeHollanderNF
no factor from 2^68 to 2^69
2010-05-16shanminC-LL
519A0FBD3A75BCF4
2010-03-24shanminNF-PM1
B1=545000, B2=15123750, E=6