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
54291023Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 273
P-1
B1 = 565000
B2 = 11865000
LL
StatusDateUserResidueShift
Verified2013-04-09ig62C219B17BC5E44A33601691
Verified2020-09-25Sergey Nosov62C219B17BC5E44A49128290
History
DateUserTypeResult
2020-09-25Sergey NosovC-LL
62C219B17BC5E44A
2018-08-15cuBerBruceNF
no factor from 2^73 to 2^74
2016-01-26Sid & AndyNF
no factor from 2^72 to 2^73
2013-04-09igC-LL
62C219B17BC5E44A
2012-06-02megavinkNF
no factor from 2^71 to 2^72
2011-08-18Amazon EC2NF-PM1
B1=565000, B2=11865000
2011-05-22shaugeNF
no factor from 2^70 to 2^71
2011-05-22shaugeNF
no factor from 2^69 to 2^70
2011-03-29UngelovendeNF
no factor from 2^68 to 2^69
2009-07-19David LNF
no factor from 2^67 to 2^68
2009-04-06-Anonymous-NF
no factor from 2^66 to 2^67
2009-03-08-Anonymous-NF
no factor from 2^65 to 2^66
2009-02-27-Anonymous-NF
no factor from 2^64 to 2^65
2008-11-101997rj7NF
no factor to 2^64
2008-05-22CorbyguyNF
no factor from 2^62 to 2^63