Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
13008703Factored
FactorDigitsBitsDate
9030959977979317353832169.62019-10-27 06:28:02
ECM
DigitsB1Curves
25500002 / 280
Estimated T-Level: 20.0 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)2001-12-01Phillip Twiss51F1D1196D38E0D35235730
Verified (Factored)2004-10-18Bradford Brown51F1D1196D38E0D37644110
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2022-05-31Oliver KruseE6353F8D854B51551204734253
History
DateUserTypeResult
2023-10-28nordiNF-PM1
B1=500000, B2=324556050
2023-10-16nordiNF-PM1
B1=500000
2022-05-31sloopsCERT
PRP Certification
Proof certified good
2022-05-31Oliver KruseC-PRP
M13008703/903095997797931735383 : E6353F8D854B5155
PRP proof power = 8
PRP: Verified
Proof certified good
2019-10-27Sergey NosovF-ECM
Factor: 903095997797931735383 / (ECM curve 1, B1=50000, B2=5000000)
2017-10-09ramgeisNF
no factor from 2^68 to 2^69
2017-01-16Smok_bmv NF
no factor from 2^67 to 2^68
2015-04-18mikrNF
no factor from 2^66 to 2^67
2014-05-19NesowaNF
no factor from 2^65 to 2^66
2013-05-28lycornNF
no factor from 2^64 to 2^65