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

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MnStatusDetails
12501473Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
100011784011133.2old
233053263323691863932064.32017-09-13 11:37:35
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2022-04-11Oliver Kruse81B7399872620F142688655353
History
DateUserTypeResult
2022-04-11Massimo Cappelli (ik5pwa)CERT
PRP Certification
Proof certified good
2022-04-11Oliver KruseC-PRP
M12501473/10001178401/23305326332369186393 : 81B7399872620F14
PRP proof power = 8
PRP: Verified
Proof certified good
2022-04-07James HeinrichNF
no factor from 2^66 to 2^67
2022-04-07James HeinrichNF
no factor from 2^65 to 2^66
2022-03-26Lisander ViaeneNF
no factor from 2^67 to 2^68
2022-03-25Lisander ViaeneNF-PM1
B1=250000, B2=514069920
2022-03-25Lisander ViaeneNF-PM1
B1=400000, B2=420802200
2017-09-13TJAOIF
Factor: 23305326332369186393 / TF: 64-65