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

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MnStatusDetails
16921601Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
955509674642871446.4old
996010449535506075592066.42020-03-24 11:28:12
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2024-08-18Luke Durant9884C7237B591CCE21005627253
History
DateUserTypeResult
2024-08-18ChuckCERT
PRP Certification
Proof certified good
2024-08-18Luke DurantC-PRP
M16921601/95550967464287/99601044953550607559 : 9884C7237B591CCE
PRP proof power = 8
PRP: Verified
Proof certified good
2024-05-24nordiNF-PM1
B1=500000, B2=254324994
2024-02-25nordiNF-PM1
B1=500000
2020-03-24TJAOIF
Factor: 99601044953550607559 / TF: 66-67