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

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MnStatusDetails
17236619Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
589644130110123789112065.72013-09-26 15:36:30
1226816240551732528332166.72020-08-19 10:46:07
LL
StatusDateUserResidueShift
Verified (Factored)2002-12-25Jacob D. Hunt017966B7F93E74C43250541
Verified (Factored)2008-03-05Ars Technica Team Prime Rib017966B7F93E74C46142482
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2024-09-24cramsey873FF2F6B0E39BB7E72290951453
History
DateUserTypeResult
2024-09-25Mihai PredaCERT
PRP Certification
Proof certified good
2024-09-24cramsey87C-PRP
M17236619/58964413011012378911/122681624055173252833 : 3FF2F6B0E39BB7E7
PRP proof power = 8
PRP: Verified
Proof certified good
2024-08-26nordiNF-PM1
B1=500000, B2=254324994
2024-05-14nordiNF-PM1
B1=500000
2020-08-19TJAOIF
Factor: 122681624055173252833 / TF: 66-67
2013-09-26David CampeauF
Factor: 58964413011012378911 / TF: 65-66