Factor Info

ID 21571
Size 563 digits / 1868 bits
Status composite
Value 18298256619411927753558086140108635385424843887877201799139445846667644326105673076071009396292777240408652827159086933413191635409206877569233419508840926962393357443388952509299453485607292504811666942668625893229359123530164430929334517952967556158151431306921797912548742556885626160382962157832719978084102054068962326659985508186522801078716337836182856875872197612955913313549551679897695834926094723233671787745587293445576060239305279229697380421712569936179131794887367487107516470695920382677694449345413291676425636470390361340406319242232599112591239

Factorizations

Primary (ID: 6672) 172827552198815888791 (proven prime)
(ID: 21572) 105875807338647804350432172956177649812345606482617746514362867797288759363438046979658374705016850414476826388036671154161106270796885188404144976501705911744840814919020667968274101875818808971288733674633150546634357736714034483385418664816088014155870079192236076502551929106396725421783876159102075847253495322343999282399152708075556451770722405970850966983780094122225820913933850707347526338645890442864729276081070327466768988971284990313899014753717689858267085297931605861883846027834600961358078682212566617064761538191339124669329 (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.