Factor Info

ID 139271
Size 258 digits / 857 bits
Status composite
Value 486887929169249411528779026610320701662160050607734102560184864398052558498075449546432731717827569751878025704125105499898604556062445075800841548120156054091661406863184447489942193489654828834027506211357037238847313875015346837807287583011612221892159221

Factorizations

Primary (ID: 139272) 6559590140985663005209 (proven prime)
(ID: 139273) 74225358399616141520985073284886898465602506205434519019948128230643540940343697312028787401633453241464845196360771993953829304698398504717919332470735697522546255336001326665472070759493324159513573092558750125935517109990783331262269 (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.