Factor Info

ID 31978
Size 319 digits / 1058 bits
Status composite
Value 2273109511584730227053110993942767333529616591847652248109527853891165380490270631740796918078952417159811251578342547059200010170454732952554790328122553000896095929161575042298820523277453071144348626248492940252739046358938627953822532963893730001340962352006099362569788693899981757867290328846334108915936906100717

Factorizations

Primary (ID: 17184) 128540676570302588488814103693493316947 (proven prime)
(ID: 31979) 17683970337136831060578595524782728070514931599435735573340280610707850392402875213015198206917677330023041651204323565164275295518561384527765888191682066788472724185006459062475480355937736646744620980601343532778636428455603334907942878677020095875253421548610209496425488446911 (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.