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

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MnDetails
5445607
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 266
Factored
FactorDigitsBitsDate
517831413877639671755.5old
42441405516561373691961.92016-06-08 11:42:34
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2017-12-01storm5510CC0902D2563F5E4C2458203853
Verified
PRP without proof (not generated)
2018-03-09kkmrkkblmbrbkCC0902D2563F5E4C2214328453
History
DateUserTypeResult
2025-04-27Sid & AndyNF-PM1B1=3600000, B2=8759159640
2023-05-11This -Anonymous-NF-PM1B1=50000, B2=1000000
2018-03-09kkmrkkblmbrbkC-PRPM5445607/51783141387763967/4244140551656137369 : CC0902D2563F5E4C
2017-12-01storm5510C-PRPM5445607/51783141387763967/4244140551656137369 : CC0902D2563F5E4C
2016-06-08TJAOIFFactor: 4244140551656137369
1998-03-31-anonymous-FFactor: 51783141387763967