Factor Info

ID 64218
Size 385 digits / 1277 bits
Status composite
Value 1615262615153046710050911592076674731459256719042613005941607928325454254732409279405535390312567481094207797248525985784988485227558688199136144336770493179161914443905283111503221549385585027983577429742319231190495793626751979359227533744414314839851946302516501462204457782105090373685311949902681637224833231713557322371878997166349292732717895906501954188856784493028507963169741

Factorizations

Primary (ID: 63388) 152924817473166888991 (proven prime)
(ID: 64219) 10562462272917019716230614016379208537587376005671908781835396143607399774855491609647167985716236247771899357399324607026981267769300937798100365253237750696190887427448721508516271580829109586446011900809043962470250894253167583245958751302962153701437983820467251007104856964290979443615805199771198644701428048771881587273440178638504078538106912094985703663251 (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.