Factor Info

ID 64869
Size 540 digits / 1792 bits
Status composite
Value 210156491189563935741638525090213946440768352015382262102743500099251342058084459407666338443945604491617139280386824211194263943605263312794303961821910379364064448640307357321167348923647534157356330017511663626911599334487668423676315152163925323052647136885389107490844322894618722447005613896186479486102241141344432788717680312585612674061964960951182906921918670772976366745342012200484659244735425649713373109022058869701122833442639572566687059181808929868210092536455724385840306929911657218870242026194968055066269859349452291871

Factorizations

Primary (ID: 63366) 512718953215732865581052501 (proven prime)
(ID: 91385) 409886332212762930046925552540386288247215722061860720442575443581554952404440293815842014668172853857833395050230572166755089828373158358031227725824392213176943984392067319095892531272011995103503953903267357966462911427656625377511960854819815274609373211167397003015945990298427479844583955004997844518964697730450714694205911953716212160472296339963959444821690789824535144961117256784188008543712114459755930463677813094597426618064844093637227337863931401871762013205282863668340738255508697007077146814371 (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.