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
51403511Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 273
P-1
B1 = 600000
B2 = 14250000
LL
StatusDateUserResidueShift
Verified2011-01-25ANONYMOUS0F75F0AF4DD6045E15616047
Verified2019-10-14Zoltan Felleg0F75F0AF4DD6045E4715192
History
DateUserTypeResult
2019-10-14Zoltan FellegC-LL
0F75F0AF4DD6045E
2019-07-01-Anonymous-NF
no factor from 2^73 to 2^74
2016-02-23Mark RoseNF
no factor from 2^60 to 2^63
2016-01-05AirSquirrelsNF
no factor from 2^72 to 2^73
2015-11-17Judge HaleNF
no factor from 2^71 to 2^72
2015-11-17Judge HaleNF
no factor from 2^70 to 2^71
2015-01-06monstNF
no factor from 2^69 to 2^70
2011-01-25ANONYMOUSC-LL
0F75F0AF4DD6045E
2010-02-09sunithayaNF
no factor from 2^68 to 2^69
2009-12-06benthomasNF-PM1
B1=600000, B2=14250000
2009-04-16usmfunNF
no factor from 2^67 to 2^68
2008-12-03Sturle SundeNF
no factor from 2^66 to 2^67
2008-11-30Sturle SundeNF
no factor from 2^65 to 2^66
2008-11-29Sturle SundeNF
no factor from 2^64 to 2^65
2008-11-29Sturle SundeNF
no factor from 2^63 to 2^64