Factor Info

ID 163950
Size 287 digits / 953 bits
Status composite
Value 51274300703741350514081062400820289874686916138468671255092444997953877667679060171456598681766951497452830030837080896733820134287464990908445469626219831199659151411069396622303570529891685512662548875980304121022854670128101074423975992033900878013727435860329159081119171843674618043

Factorizations

Primary (ID: 163951) 20361084040926694433311 (proven prime)
(ID: 163952) 2518250040158849136609165270541671898143865207326542146821658396233200930317485637092456022787830709317295875631545511148262395394485103137269978120467304970747487437839735978960066463083633974458874861970295685343805897138437158593020178548182889852363236650135013 (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.