Marin Mersenne 2^P-1
Username
Password
Forgot password?
Black
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
15090167Factored
FactorDigitsBitsDate
7468402156872653908055772479.32022-08-09 20:45:01
ECM
DigitsB1Curves
255000014 / 280
Estimated T-Level: 20.3 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)2002-03-24Andy FooteE9FD11CE562D213810420198
Verified (Factored)2006-07-10Hendrik StangeE9FD11CE562D21381165207
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2023-06-15Perig6849A96F85F1378811040357053
History
DateUserTypeResult
2023-11-04nordiNF-PM1
B1=569000, B2=561249150
2023-10-21nordiNF-PM1
B1=569000
2023-06-15Sparky70CERT
PRP Certification
Proof certified good
2023-06-15PerigC-PRP
M15090167/746840215687265390805577 : 6849A96F85F13788
PRP proof power = 8
PRP: Verified
Proof certified good
2022-08-09ATHF-PP1
Start=2/7, B1=1000000, B2=28000000, Factor: 746840215687265390805577
2022-03-06Jon PaceNF
no factor from 2^73 to 2^74
2022-01-16Architects CubedNF
no factor from 2^72 to 2^73
2021-10-09-Anonymous-NF
no factor from 2^71 to 2^72
2021-09-02SRBaseNF
no factor from 2^70 to 2^71
2021-07-06lycornNF
no factor from 2^69 to 2^70
2017-10-08ramgeisNF
no factor from 2^68 to 2^69
2016-07-12mikrNF
no factor from 2^67 to 2^68
2016-03-16Mark RoseNF
no factor from 2^65 to 2^66
2014-06-11NesowaNF
no factor from 2^66 to 2^67