Factor Info

ID 143929
Size 522 digits / 1734 bits
Status composite
Value 662901584426185481139768551644380790593268730672722353734357073315596759304101659428187038652055169108326983738092194098490949113934507195109438062548910078196300290169728448760387173500458398614503530829104753451767493929076324831034947528400540165726308687650829320484420852463734240117947142359245382298369474703248347634372720413589098585159905000331698963732568268341211807636048403472933702403880772333231975248850335738729586869633633981696156131982243245022014089851087058622733856901138779393215144220485024351947

Factorizations

Primary (ID: 143211) 54865399436668796181164201 (proven prime)
(ID: 179737) 12082324948556579179965873167575011401773085483314006380641482298438806183323290433497816295888456447349620697847912042071740063530514439675741994322015874306214280524839720494343600165679376314037311753966139910143190364916819117795972378868458441338383444483995175257028551849176249556118846906594196310805681923531262868292510976182045422539995895021744763388654874362950319103585718459371455165377173485916325989495981081766942591871271261487133712811720232617641485887433201366076422604734547 (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.