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

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MnStatusDetails
13109417Factored
FactorDigitsBitsDate
1367282863894108728550140468232132103.42021-05-27 01:53:37
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)2001-11-24Ars Technica Team Prime RibB3F0D529349D77CB9836609
Verified (Factored)2004-11-03M&MB3F0D529349D77CB2947317
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2022-06-08ATH9D228C3E6232BCB411182087453
P-1 factors
DateFactorB1B2
2021-05-271367282863894108728550140468232148000015840000
History
DateUserTypeResult
2022-06-08lajo321CERT
PRP Certification
Proof certified good
2022-06-08ATHC-PRP
M13109417/13672828638941087285501404682321 : 9D228C3E6232BCB4
PRP proof power = 8
PRP: Verified
Proof certified good
2021-05-27Dylan DelgadoF-PM1
Factor: 13672828638941087285501404682321 / (P-1, B1=480000, B2=15840000, e=12, n=720K CUDAPm1 v0.22)
2018-01-07ramgeisNF
no factor from 2^68 to 2^69
2017-12-22-Anonymous-NF
no factor from 2^67 to 2^68
2015-07-09NesowaNF
no factor from 2^66 to 2^67
2014-05-26NesowaNF
no factor from 2^65 to 2^66
2013-05-26lycornNF
no factor from 2^64 to 2^65