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

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MnStatusDetails
12503419Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
528182223033702147112065.52014-03-28 12:21:38
LL
StatusDateUserResidueShift
Verified (Factored)2002-07-27Ars Technica Team Prime RibB9E26CC84BEFFF459207371
Verified (Factored)2005-02-02S199227B9E26CC84BEFFF457802296
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2022-04-10Oliver Kruse3671FA9B4267BFC2195139153
History
DateUserTypeResult
2023-10-24nordiNF-PM1
B1=500000, B2=430944150
2023-10-17nordiNF-PM1
B1=500000
2022-04-10ANONYMOUSCERT
PRP Certification
Proof certified good
2022-04-10Oliver KruseC-PRP
M12503419/52818222303370214711 : 3671FA9B4267BFC2
PRP proof power = 8
PRP: Verified
Proof certified good
2014-03-28NesowaF
Factor: 52818222303370214711 / TF: 65-66
2013-06-20lycornNF
no factor from 2^64 to 2^65