Factor Info

ID 155608
Size 492 digits / 1633 bits
Status composite
Value 248645775205443955511083329204416672425161582222807941778192525166037194447689759633101461266589959138739177597229239938062953331819582607958038584439345179482245259313160336348244145523170047781568311980727134819448216233814222218250569214075463628344779734071049962959063022637890587282553977614711753124325848646947406690460243366793437284077742341486308342620729340244539313827112738802518265619399721166921312147108665129788226033885428326935135195810639499184958210692758672154018784147

Factorizations

Primary (ID: 154592) 650141690025315305584300036801 (proven prime)
(ID: 189557) 382448593929981866699641984344469252957478592328187981328448675143172709474662303336797994289017729309415525204633315362593538413736169372419492300661469987775080258486507514547241162558302894759654991178407836462269126355786734874638864226838823101822077049205399020688489841002948174838609202579120526907809106310161596152976601776735262123853369305893422830279494825875079447909271603248463322223098354293121717731291989439383752279606013217248126136391454547 (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.