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
63513943Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 274
P-1
B1 = 570000
B2 = 10972500
LL
StatusDateUserResidueShift
Verified2014-08-29AO07FFA7FCEE5C017215296405
Verified2022-07-23Egor K07FFA7FCEE5C017251242716
History
DateUserTypeResult
2022-07-23Egor KC-LL
07FFA7FCEE5C0172
2016-02-23Mark RoseNF
no factor from 2^59 to 2^63
2014-08-29AOC-LL
07FFA7FCEE5C0172
2013-11-05Sid & AndyNF-PM1
B1=570000, B2=10972500, E=6
2013-09-20The MawnNF
no factor from 2^73 to 2^74
2013-06-12TheJudgerNF
no factor from 2^72 to 2^73
2013-06-12TheJudgerNF
no factor from 2^71 to 2^72
2013-04-15lycornNF
no factor from 2^70 to 2^71
2012-01-08NBNF
no factor from 2^69 to 2^70
2009-09-18kubaoooNF
no factor from 2^68 to 2^69
2009-09-11arnaudNF
no factor from 2^67 to 2^68
2009-09-02KScorpNF
no factor from 2^66 to 2^67
2009-08-29KScorpNF
no factor from 2^65 to 2^66
2009-03-04-Anonymous-NF
no factor from 2^64 to 2^65
2009-02-18Wojciech FlorekNF
no factor from 2^63 to 2^64