Factor Info

ID 18506
Size 247 digits / 821 bits
Status composite
Value 7278700723365990288507131842458465546997013574282306436098063546654216378294299386815269667866846046669634791975541957081129701489415502289078830633959085848142926778261969262150969025563431046035149125574485761478077408024405760077219833358788649

Factorizations

Primary (ID: 18023) 5994946327304712468705571873826831 (proven prime)
(ID: 18507) 1214139431109543420788154831942658232150271011549259524170034590144280216122782546507526422523554155449777453009795153047507100954214480922775040844857399405708867173794488509479942303826750224256358441338384299079 (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.