Factor Info

ID 17953
Size 304 digits / 1008 bits
Status composite
Value 2151986257923133746130700068020529745010392408907444201395000508508912931157002362496177454599644820797475146077366744100416119477643980011011557017369598726438394492467993594430580746569769201105304675459555806826612686568460108691708668810553865846857843818084942264907481911719250006909709624212557171

Factorizations

Primary (ID: 17954) 2655332007287526596353 (proven prime)
(ID: 17955) 810439618103134927935917627069074610827543497776544723740549624134030943830012357523905625723460382859016190427246846276857812490905451912388454730011180700969517648676988021446435548218631411247857554064276499282649434407331297878061608791365290179262001355048465617302944934305907 (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.