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
51161911TF
No factors below 273
TF target 273
P-1
B1 = 610000
B2 = 18452500
LL
StatusDateUserResidueShift
Verified2011-05-21Amitai86CFBF7C1C749A5D39767577
Verified2019-01-10_p95holder_86CFBF7C1C749A5D13361136
History
DateUserTypeResult
2019-01-10_p95holder_C-LL
86CFBF7C1C749A5D
2016-02-23Mark RoseNF
no factor from 2^60 to 2^63
2015-12-29David CampeauNF
no factor from 2^72 to 2^73
2015-11-28ATHNF
no factor from 2^71 to 2^72
2015-08-23LaurVNF
no factor from 2^70 to 2^71
2014-12-27monstNF
no factor from 2^69 to 2^70
2011-05-21AmitaiC-LL
86CFBF7C1C749A5D
2009-09-30kswiszNF
no factor from 2^68 to 2^69
2009-09-25S36049NF-PM1
B1=610000, B2=18452500, E=6
2009-04-18arnaudNF
no factor from 2^67 to 2^68
2009-02-20dgriffie79NF
no factor from 2^66 to 2^67
2009-02-19dgriffie79NF
no factor from 2^65 to 2^66
2009-02-18dgriffie79NF
no factor from 2^64 to 2^65
2008-11-26terlmannNF
no factor from 2^63 to 2^64