Factor Info

ID 18831
Size 308 digits / 1022 bits
Status composite
Value 25450449421777365838781772009465809151646849467226194972499553601568823345192682269265939168434182170884350586771359863972366627233858986674618500196483516174354004271793203628567169095453694625415934403976533267548869570896572511597656286966655598857535906102981139579111601959304314982271777192004044460783

Factorizations

Primary (ID: 8197) 655417289594537954307682339857743931943 (proven prime)
(ID: 18832) 38830909446288525313342068702670401232552561649346238175837881617159874515474056917695137126311218248090903603186991159028628155777692296182487096459328491507463567850386715781331963895585010469857250762769837191060702863124346670648601325071341958460958750042444133881 (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.