Factor Info

ID 42044
Size 200 digits / 663 bits
Status composite
Value 20781772490674586594193725863213031170000075503056940273979307605809105305019079651378514684891157012228225227086409730095785043382453789861159845811295610880916084968710326748373203527930671763637551

Factorizations

Primary (ID: 95) 16188856575286517818849171 (proven prime)
(ID: 42045) 1283708481450103973143048281163333991278791170234748991807519203997846462517958092186062576694347328952265563767696963424039745653673080062075921898152655053646115543379985781 (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.