Factor Info

ID 177526
Size 263 digits / 872 bits
Status composite
Value 20418951742470178824488320186030058541169194997062285043326659573714482177211677284400231129696131687158139879643482407210746991210236264036346078667382170833030562851097169762816779013272463342657048186447168784264858788005248646121812322696703807118270873959041

Factorizations

Primary (ID: 16402) 12621774483536188886587657044524576122057624161243438720703125000001 (proven prime)
(ID: 177527) 1617756027023348300271496733199485897202675775411836260118661994990289759676238064432044676052710923834614218770484784735579631101199290638798423841400541198831154296398432513731852772567748959041 (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.