Factor Info

ID 20970
Size 250 digits / 828 bits
Status composite
Value 1206745603408618513959079856437983646251139353926503087361244794951306520522041103929109863792508909944845534606789607552976542686918751405023232282662604621619113999528581822639619188173678016371445855971616381184299012411886051653353606598132154521

Factorizations

Primary (ID: 20971) 17095269917121096397448449 (proven prime)
(ID: 20972) 70589444288332051057949660229022968530713489665642240277990040187065743142374151547044652057117635546923393076633322494091349288458391667415381229178629199149800732407389833255687117826548088618263890216791728933487664325529 (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.