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
55404101TF
No factors below 274
TF target 273
P-1
B1 = 550000
B2 = 11962500
LL
StatusDateUserResidueShift
Bad2013-01-14-Anonymous-0D873A80FCE65E2122834523
Verified2013-12-03-Anonymous-5D0A058A3D9365E549155803
Verified2016-02-16MadPoo5D0A058A3D9365E537571444
History
DateUserTypeResult
2021-11-26LordJuliusNF
no factor from 2^73 to 2^74
2016-02-23Mark RoseNF
no factor from 2^58 to 2^63
2016-02-16MadPooC-LL
5D0A058A3D9365E5
2015-07-28Mark RoseNF
no factor from 2^72 to 2^73
2013-12-03-Anonymous-C-LL
5D0A058A3D9365E5
2013-01-14-Anonymous-C-LL
0D873A80FCE65E21
2012-04-25Jerry HallettNF-PM1
B1=550000, B2=11962500, E=12
2012-03-28GregNF
no factor from 2^71 to 2^72
2012-03-28GregNF
no factor from 2^70 to 2^71
2011-05-28Paul LeylandNF
no factor from 2^69 to 2^70
2011-04-08marnesNF
no factor from 2^68 to 2^69
2009-07-19carlos1NF
no factor from 2^67 to 2^68
2009-04-06AbadNF
no factor from 2^66 to 2^67
2009-04-01AbadNF
no factor from 2^65 to 2^66
2009-03-06kswiszNF
no factor from 2^64 to 2^65
2009-01-011997rj7NF
no factor from 2^63 to 2^64