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
55105331Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 273
P-1
B1 = 580000
B2 = 13050000
LL
StatusDateUserResidueShift
Verified2011-12-16Peter_Wertz4219B8A2834E9EAB23848510
Verified2019-03-02-Anonymous-4219B8A2834E9EAB36653911
History
DateUserTypeResult
2021-11-13LordJuliusNF
no factor from 2^73 to 2^74
2019-03-02-Anonymous-C-LL
4219B8A2834E9EAB
2016-01-29-Anonymous-NF
no factor from 2^72 to 2^73
2015-12-11Mark RoseNF
no factor from 2^71 to 2^72
2011-12-16Peter_WertzC-LL
4219B8A2834E9EAB
2011-11-05Peter_WertzNF-PM1
B1=580000, B2=13050000, E=6
2011-09-11TheJudgerNF
no factor from 2^70 to 2^71
2011-07-26-Anonymous-NF
no factor from 2^69 to 2^70
2011-04-05ITSNF
no factor from 2^68 to 2^69
2009-07-17sannerud.comNF
no factor from 2^67 to 2^68
2009-01-14-Anonymous-NF
no factor from 2^66 to 2^67
2009-01-08Yannic SpiethNF
no factor from 2^65 to 2^66
2008-12-31stefanbNF
no factor from 2^64 to 2^65
2008-08-11-Anonymous-NF
no factor to 2^64