Factor Info

ID 42515
Size 271 digits / 898 bits
Status composite
Value 1286857062226726470745444469873933080626153566129154269757346313397110000476893218263413039159548418825166446233958860183994147076805621761847140671150716964826512262084455968937056106303034598344055884457888618291736102644600939807181702889991834326170024797566554841687

Factorizations

Primary (ID: 9270) 537771403239312279772324930133 (proven prime)
(ID: 46428) 2392944389521704436040105042311558340151145630398779498898225562655387301445499851860538340622194660225431585719659263732003447752930421363164506135712889188834943756910772856249104182465472048561477132950781078273125427072016994173747500539 (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.