Marin Mersenne 2^P-1
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MnDetails
863
Composite, with 4 known prime factors. Cofactor is PRP (Probable-Prime).
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
8258911723.0old
169382737927.3old
1756428913991237.4old
292859999667062206866727168104518856704199824066659814824208756252366979553901385827731023485520197320.52009-11-22 22:32:11
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Factored
No proof (small exponent)
2024-09-06George WoltmanPRP_PRP_PRP_PRP_4013
History
DateUserTypeResult
2024-09-06George WoltmanP-PRPM863/8258911/169382737/175642891399/2928599996670622068667271681045188567041998240666598148242087562523669795539013858277310234855201
PRP Cofactor
2009-11-22-anonymous-F-ECMFactor: 2928599996670622068667271681045188567041998240666598148242087562523669795539013858277310234855201
2009-10-25Carsten KossendeyFFactor: 245709817893350436363580393
2005-03-20-anonymous-FFactor: 245709817893350436363580393
2000-08-01-anonymous-FFactor: 245709817893350436363580393