Factor Info

ID 181454
Size 465 digits / 1545 bits
Status composite
Value 647241014263783979577838484111360702975286529729949477573226716578754886129190564565971055563595403591456517819918872673937175624837644974029822887729346814011612656783113829669172829606809184397576421517113861358573447124662855704867530750815776874502628947838987074183466169819538597104023082589795779548115177417164540172718434590704605157611051520247097392119940438465889481985309912752437624544910820559346662478751988113314721862340967801783081012482285962819

Factorizations

Primary (ID: 181455) 4517056938463676125545242131717 (proven prime)
(ID: 181456) 143288212453642676751007546235336698334441486564018439984267393877942056608474587929287180975835637769465643882154493266028460421768338325703242394333915695535966727452158067795741788925706327058688702889537775163657333018426465669673834594150087521711263663320464815389882404768134171569076368279073828769259204796694138950751909271048159215059266467026168176664917347945969583520339374676305693615103541418467399377071277001610762407 (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.