Factor Info

ID 51490
Size 579 digits / 1922 bits
Status composite
Value 216779717961396841067367950951783905693890969033845751540742566998208134692498774331665377217229538656969908740849211656770341465867815215150484676770176575855154268413142875506239124332614806603718204023920908911859387795695140538025687149792552308429158770754564246426747408668706658564274280278728165775871023220560109307068806862727725484114873107877841914688734287572032114418128667360701170387449140199496708370326424753726718864614546021599138749008766554575532204526269509813244157537664387499388657589131409765935174744705169364915254605479462126768876768044839295446109

Factorizations

Primary (ID: 50726) 297571581361738410622071889 (proven prime)
(ID: 74594) 728496037724354605746047339368833566346460983128805845316733062203590563529381148382583509814544656228761681620653588903395629163200491437184489889741269790213574043912135617505091278908666237387961940835933316262828501451679752961893948814549526917269409139958132456932092051898858457658919026758571938420314000590101439684692349745067544813340557930273071560055828192888881420074941250436166515270277887348178880933216431819659732426751461473147822280085879087703953348551389349510811782303401040622284142856866015361223532038780593214522607757307981 (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.