Factor Info

ID 39640
Size 189 digits / 628 bits
Status composite
Value 656266421783288396772707526159754713283512347426112277332753261829339188463592427397054531773287747191611330306685857785033721575573711074624948046507649896258880768389568781764571883943211

Factorizations

Primary (ID: 19647) 7907009307594694001053552000588658391100974093457603716419437 (proven prime)
(ID: 39641) 82998058589983388422253336079565019963607544649667684684035219132123521052463836296490068123944007700052779685772454178772467703 (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.