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

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MnStatusDetails
17023751Factored
FactorDigitsBitsDate
2391523793379482382518094868542113745738124.22022-03-10 01:26:07
ECM
DigitsB1Curves
25500001 / 280
Estimated T-Level: 20.0 ⓘ
TF below 2^61 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)2003-01-09Bryan BellDA653B7102A502A82036577
Verified (Factored)2007-07-04Tore KolltveitDA653B7102A502A81871666
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2022-11-16Naegi MakotoC9CC39918D3F4C5511569049553
P-1 factors
DateFactorB1B2
2022-03-102391523793379482382518094868542113745730213777729167600
History
DateUserTypeResult
2022-11-16Nick ThorpeCERT
PRP Certification
Proof certified good
2022-11-16Naegi MakotoC-PRP
M17023751/23915237933794823825180948685421137457 : C9CC39918D3F4C55
PRP proof power = 8
PRP: Verified
Proof certified good
2022-03-10LaurVF-PM1
Factor: 23915237933794823825180948685421137457 / (P-1, B1=3021377, B2=7729167600)
2022-02-15LaurVNF-PM1
B1=3021377
2021-12-31Jon PaceNF
no factor from 2^73 to 2^74
2021-12-28Architects CubedNF
no factor from 2^72 to 2^73
2021-09-14-Anonymous-NF
no factor from 2^71 to 2^72
2021-09-09SRBaseNF
no factor from 2^70 to 2^71
2019-12-19masserNF
no factor from 2^69 to 2^70
2017-10-22ramgeisNF
no factor from 2^68 to 2^69
2015-11-13mikrNF
no factor from 2^67 to 2^68
2014-09-15NesowaNF
no factor from 2^66 to 2^67
2014-03-13NesowaNF
no factor from 2^65 to 2^66