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
56507819TF
No factors below 274
TF target 273
P-1
B1 = 565000
B2 = 12288750
LL
StatusDateUserResidueShift
Bad2013-06-26Fabrice Bellet0A98F3CDA562E5F646216882
Verified2013-07-10curtiscCF51861AE7E47AAC53717376
Verified2016-09-27AirSquirrelsCF51861AE7E47AAC0
History
DateUserTypeResult
2018-11-08Architects CubedNF
no factor from 2^73 to 2^74
2016-09-27AirSquirrelsC-LL
CF51861AE7E47AAC
2016-02-23Mark RoseNF
no factor from 2^63 to 2^64
2015-07-28Mark RoseNF
no factor from 2^72 to 2^73
2013-07-10curtiscC-LL
CF51861AE7E47AAC
2013-06-26Fabrice BelletC-LL
0A98F3CDA562E5F6
2012-07-12NesowaNF-PM1
B1=565000, B2=12288750, E=12
2012-07-05Jerry HallettNF
no factor from 2^71 to 2^72
2011-08-23lindeeNF
no factor from 2^70 to 2^71
2011-06-15XyzzyNF
no factor from 2^69 to 2^70
2011-04-17eon_blue_apocalypseNF
no factor from 2^68 to 2^69
2009-11-21eon_blue_apocalypseNF
no factor from 2^67 to 2^68
2008-03-04Sturle SundeNF
no factor from 2^66 to 2^67
2008-03-03Sturle SundeNF
no factor from 2^65 to 2^66
2008-03-03Sturle SundeNF
no factor from 2^64 to 2^65