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
62071589Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 274
P-1
B1 = 515000
B2 = 6823750
LL
StatusDateUserResidueShift
Verified2013-07-09joemango1F80A3D23DAB8C0D28204779
Verified2022-07-25Sergey Nosov1F80A3D23DAB8C0D38409074
History
DateUserTypeResult
2022-07-25Sergey NosovC-LL
1F80A3D23DAB8C0D
2016-02-23Mark RoseNF
no factor from 2^59 to 2^63
2013-07-09joemangoC-LL
1F80A3D23DAB8C0D
2013-06-23c10ck3rNF-PM1
B1=515000, B2=6823750
2013-02-24Jerry HallettNF
no factor from 2^73 to 2^74
2013-02-24Jerry HallettNF
no factor from 2^72 to 2^73
2013-02-13Jerry HallettNF
no factor from 2^71 to 2^72
2012-10-26SMoffatNF
no factor from 2^70 to 2^71
2011-12-05OtterNF
no factor from 2^69 to 2^70
2009-11-03tmorrowNF
no factor from 2^68 to 2^69
2009-11-01tmorrowNF
no factor from 2^67 to 2^68
2009-10-30-Anonymous-NF
no factor from 2^66 to 2^67
2009-10-13-Anonymous-NF
no factor from 2^65 to 2^66
2009-10-12Jud McCranieNF
no factor from 2^64 to 2^65
2008-12-27DerekNF
no factor from 2^63 to 2^64