Factor Info

ID 172416
Size 431 digits / 1429 bits
Status composite
Value 12468392043874124254256547783200767116096316457601881398053843980853949320077323129615444063865708102160902392629255387161336535662840009768537500947487591532753366358134240945159641104225668418884637306187956889024260870624647892238385609876294783880381003950956157988957207512971398845620045981828296473537710523081771439187960735557030154607011858916647384485274541850100552281014076237714348095548938014701461664841641748216017

Factorizations

Primary (ID: 171660) 1556547237476735922878575558369042229741911887098212514686765280362183412643389024411611623468719196311342664769 (proven prime)
(ID: 172417) 8010288248036851639604491589612294003912436408724346833941295618801113448245399668406197866922078777172708940251976548691950421811257541652169565540694538818155026823325925326710384068738992319178142849868906653004645464614055440612755083274924002474744398885720571474264410182285155199421495780290241511677461206632593 (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.