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
54816977Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 273
P-1
B1 = 540000
B2 = 11475000
LL
StatusDateUserResidueShift
Verified2014-05-08Lars Lindley76B6DC6E830D05CE14126121
Verified2020-11-19Sergey Nosov76B6DC6E830D05CE4922965
History
DateUserTypeResult
2020-11-19Sergey NosovC-LL
76B6DC6E830D05CE
2019-05-26TheJudgerNF
no factor from 2^73 to 2^74
2014-05-08Lars LindleyC-LL
76B6DC6E830D05CE
2014-03-06ktonyNF
no factor from 2^72 to 2^73
2012-05-06TheJudgerNF-PM1
B1=540000, B2=11475000, E=6
2012-04-29Craig MeyersNF
no factor from 2^71 to 2^72
2012-03-07Kyle AskineNF
no factor from 2^70 to 2^71
2011-05-25Tom DuellNF
no factor from 2^69 to 2^70
2011-04-05ANONYMOUSNF
no factor from 2^68 to 2^69
2009-10-01Sturle SundeNF
no factor from 2^67 to 2^68
2009-09-29Sturle SundeNF
no factor from 2^66 to 2^67
2009-09-27-Anonymous-NF
no factor from 2^65 to 2^66
2009-09-22-Anonymous-NF
no factor from 2^64 to 2^65
2009-09-01Architects CubedNF
no factor from 2^63 to 2^64
2008-07-29-Anonymous-NF
no factor to 2^63