Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
15034949Factored
FactorDigitsBitsDate
348269833290494441111992374.92022-04-06 02:49:21
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)2002-10-26Michael Shafer3EFA33424FA4761111078345
Verified (Factored)2006-05-29Marc Getty / Phil Fizur3EFA33424FA476113807726
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2023-06-09Funky WaddleD9E63C86CB53120A1739199953
History
DateUserTypeResult
2023-06-09curtiscCERT
PRP Certification
Proof certified good
2023-06-09Funky WaddleC-PRP
M15034949/34826983329049444111199 : D9E63C86CB53120A
PRP proof power = 8
PRP: Verified
Proof certified good
2022-04-06ATHF-PP1
Start=2/7, B1=1000000, B2=29000000, Factor: 34826983329049444111199
2022-03-22LuminescenceNF-PM1
B1=2000000, B2=6375789420
2022-03-04Architects CubedNF
no factor from 2^72 to 2^73
2021-10-10-Anonymous-NF
no factor from 2^71 to 2^72
2021-09-02SRBaseNF
no factor from 2^70 to 2^71
2020-06-30YxinityNF
no factor from 2^69 to 2^70
2017-10-01ramgeisNF
no factor from 2^68 to 2^69
2015-12-16mikrNF
no factor from 2^67 to 2^68
2014-06-11NesowaNF
no factor from 2^66 to 2^67
2014-06-11NesowaNF
no factor from 2^65 to 2^66