Factor Info

ID 161541
Size 303 digits / 1006 bits
Status composite
Value 509374133782208948902996226080098000425397165832926141363625912498311904286167832153418183218158058875350892059854718742240817115240683675716267285285631643819366591642331668303303865021415392305684523995463398740546650869323214150859801577364917643277642081490757015301289435259878373306805348343865251

Factorizations

Primary (ID: 160967) 1391089682887364579894221 (proven prime)
(ID: 161542) 366169155050409906254676230026595196905196747075802222369423952057846330504543404129310308776787007887074019868105345188200932133853651777580666574445496795976670125260420340307476860647821353170382149284650843465953482702700931429829567336503618734953230411176947165372367536431 (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.