Factor Info

ID 100845
Size 261 digits / 866 bits
Status composite
Value 253657518687574878825769256857751346165566925057278299249909869441091728325007124883414869009711422793423756489692082092968086944391687074909924146214773817885906795136356918788608790889376592385065231530818090347027483238222864700930208697393591296169099205437

Factorizations

Primary (ID: 584) 3490855311525894593942346160303930322601870428401 (proven prime)
(ID: 115006) 72663429460987354595896340456294218996255967064891803980184319098501046754753087159476837424825988710771561327104567039260003706377484625525547582145182467204510635799025274034869184309676915354416874644558714637 (composite)

Primary factorization keeps track of the smallest (known) prime factor. Secondary factorizations are old results kept when a new smaller prime factor is found, which occasionally happens with ECM.