Factor Info

ID 143311
Size 138 digits / 457 bits
Status composite
Value 231691080355398115903719597408730440267951617845314507002045426231693620619349431883322821874893646127249129650843312011262373864641156817

Factorizations

Primary (ID: 143142) 87728430468489003278234446945154202781697 (proven prime)
(ID: 179173) 2641003368213896912035597021502742512376487710669226560621856397597413245844192639181544814218961 (proven prime)

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.