Factor Info

ID 137009
Size 268 digits / 889 bits
Status composite
Value 2857195535794892342166219631343246005436651504597384742407118929235993465148706337857323899564521528852108703279807827674246823457842103396226077929325821203952692151038221334021967198385088436338936780541311859656341876565866366143272209938297015144637563592173991401

Factorizations

Primary (ID: 136610) 16162347219567526357165561 (proven prime)
(ID: 171858) 176780977229330026444786402686753069945197682183120223138159523575908341323318444112770144226689445607746704986525185102213853065951627267788475943171354697973846711164069576570538069625940257371457458244221743423976815751138980736220691139441 (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.