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
62554433Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 274
P-1
B1 = 540000
B2 = 5940000
LL
StatusDateUserResidueShift
Verified2013-11-16curtiscEC0711240D1A0BDC12475562
Verified2022-02-05Andrew_andEC0711240D1A0BDC25114919
History
DateUserTypeResult
2022-02-05Andrew_andC-LL
EC0711240D1A0BDC
2016-02-23Mark RoseNF
no factor from 2^59 to 2^63
2013-11-16curtiscC-LL
EC0711240D1A0BDC
2013-09-22ktonyNF
no factor from 2^73 to 2^74
2013-04-08Emanuel KomínekNF-PM1
B1=540000, B2=5940000
2013-04-04GrunwalderGIMPNF
no factor from 2^72 to 2^73
2013-04-04GrunwalderGIMPNF
no factor from 2^71 to 2^72
2013-03-01lycornNF
no factor from 2^70 to 2^71
2011-12-07GrunwalderGIMPNF
no factor from 2^69 to 2^70
2009-10-23Andrey KurgannikovNF
no factor from 2^68 to 2^69
2009-08-16arnaudNF
no factor from 2^67 to 2^68
2009-08-11southafricaNF
no factor from 2^66 to 2^67
2009-08-08PsYcHo_mtgNF
no factor from 2^65 to 2^66
2009-02-24UbeRveLTNF
no factor from 2^64 to 2^65
2009-01-25Wojciech FlorekNF
no factor from 2^63 to 2^64