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

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MnStatusDetails
15170213Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
458026569969188034412065.32014-05-14 07:18:20
LL
StatusDateUserResidueShift
Verified (Factored)2004-10-03Dmitry B. KhachaturovED8F459E85E0EA7012094237
Verified (Factored)2005-12-12jake buckED8F459E85E0EA7012332609
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2023-06-25XZTBB868E9AFFD44D8E1131682053
History
DateUserTypeResult
2023-11-04nordiNF-PM1
B1=480000, B2=454342350
2023-10-22nordiNF-PM1
B1=480000
2023-06-25KelbCERT
PRP Certification
Proof certified good
2023-06-25XZTC-PRP
M15170213/45802656996918803441 : BB868E9AFFD44D8E
PRP proof power = 8
PRP: Verified
Proof certified good
2014-05-14NesowaF
Factor: 45802656996918803441 / TF: 65-66