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

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MnStatusDetails
3651671Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
29213369824.8old
65730079826.02008-09-07 21:11:07
227451660863401431754.32014-11-17 12:25:16
ECM
DigitsB1Curves
25500003 / 280
Estimated T-Level: 20.1 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-10-08kkmrkkblmbrbk634B182AFC52EECC3013
Verified2017-11-27Oliver Kruse634B182AFC52EECC3319568713
History
DateUserTypeResult
2022-06-19LordJuliusNF
no factor from 2^66 to 2^67
2022-06-19LordJuliusNF
no factor from 2^65 to 2^66
2022-06-19LordJuliusNF
no factor from 2^64 to 2^65
2022-06-19LordJuliusNF
no factor from 2^63 to 2^64
2022-06-19LordJuliusNF
no factor from 2^62 to 2^63
2022-05-04JossNF-PM1
B1=500000, B2=130364850
2022-03-19JossNF
no factor from 2^67 to 2^68
2022-03-19Lisander ViaeneNF-PM1
B1=100000, B2=234869250
2022-03-19Lisander ViaeneNF-PM1
B1=100000
2017-11-27Oliver KruseC-PRP
M3651671/29213369/65730079/22745166086340143 : 634B182AFC52EECC
PRP: Verified
PRP without proof (not generated)
2017-10-08kkmrkkblmbrbkC-PRP
M3651671/29213369/65730079/22745166086340143 : 634B182AFC52EECC
PRP: Verified
PRP without proof (not generated)
2014-11-17TJAOIF
Factor: 22745166086340143 / TF: 54-55
2008-09-07Will EdgingtonF
Factor: 65730079