Factor Info

ID 69441
Size 600 digits / 1993 bits
Status composite
Value 638560521264803572133706444317318329765785661708181982989303737235317856551566486695363102758475190862946428489979614225453678907364819639043314425974971284003587206734622654875288112873493047482332996317828282944934993420662828567772402393829123919463809401478804453286685477265996921681992330249103662547368701214810160892805446148361088872759361943383040346604904297056141240288512988521209775330080522702559289503703084674262752051038592001494981702726206766370895673755319771320965173391752655193170048084098813289858827511664566733486744930736564530629714326516198297111703239396128994492757481

Factorizations

Primary (ID: 69442) 38184210988752567254945089 (proven prime)
(ID: 69443) 16723156109023599983642546862529739598948409967158568952772790209591643516732836452926311601226893383265816543908223328305468181525687993858810469858122042193446021708235333271266475847117660384058067797826524385301246533083727140356974185149551129906513069276770321103007261138149012524628641249766398513029086780675885731827088865201511441854123685694654128041317836682357043919726259940670424497230934039867075229869398372042763076658816297243683717350788798936383160544945293405150381302867750665699253597611377057980752707773312027955075247803270665943005900257403369129 (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.