Factor Info

ID 15817
Size 243 digits / 805 bits
Status composite
Value 151178005604132367955179862249489466069614081312363427964920018318979030539573623121080098541892979370770132411176208429387165370619726558634080758663049422284326371330658416244818725569407655004750168822744311100340332162289335400673569705153

Factorizations

Primary (ID: 15818) 174989678972338341728544129375449953 (proven prime)
(ID: 15819) 863925269718507075712782737857488895322118803394680663792068403955856057110610256544205302104053394681385188970063933195551389888324184906511865175811127759288964243563214442572539036332431076825085789058401 (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.