Factor Info

ID 163840
Size 277 digits / 919 bits
Status composite
Value 4172374104227782693019382569332503627602328848669376262221436739662120681355140478794583381020443480833390245429204433165665520226903502507344801128268257253546528945125039197307267111966145153677294444988011507545054704295709869175174393060863603717925690064596874596021342149

Factorizations

Primary (ID: 163528) 382019264666805740784285056389 (proven prime)
(ID: 195505) 10921894496255038967553833727541660184651324080914077794259520275239634016582504178301618962785627100221245300927561479578669300371146211209022833235111168044864501716115306179982378687082496889171383813072685985349693817341380881655631476817771841 (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.