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

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MnStatusDetails
17050907Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
281248143107272083400534572684.52022-04-05 03:01:47
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)2004-04-29John Boger691712D6E601BD886181565
Verified (Factored)2006-04-28Eric Welker691712D6E601BD888386493
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2024-09-01kutensA1334095F13EF25E1354286053
P-1 factors
DateFactorB1B2
2022-04-052812481431072720834005345730213777735113750
History
DateUserTypeResult
2024-09-01k0r3CERT
PRP Certification
Proof certified good
2024-09-01kutensC-PRP
M17050907/28124814310727208340053457 : A1334095F13EF25E
PRP proof power = 8
PRP: Verified
Proof certified good
2022-04-05LaurVF-PM1
Factor: 28124814310727208340053457 / (P-1, B1=3021377, B2=7735113750)
2022-03-24LaurVNF-PM1
B1=3021377
2022-01-07Jon PaceNF
no factor from 2^73 to 2^74
2022-01-04Dylan DelgadoNF
no factor from 2^72 to 2^73
2021-09-17-Anonymous-NF
no factor from 2^71 to 2^72
2021-09-09SRBaseNF
no factor from 2^70 to 2^71
2020-01-19masserNF
no factor from 2^69 to 2^70
2017-10-24ramgeisNF
no factor from 2^68 to 2^69
2016-01-18mikrNF
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