Factor Info

ID 23228
Size 378 digits / 1256 bits
Status composite
Value 637291181241773712123641439456137416189443806227593479533980906883996625296602701107555253865594083683225625058637975376207146244829006298758997004944958322082692655160010394312441641737380323546893093602758797529535835318529432902502564517454387257708909677278684115979558360449306099198087343875574355484638332861841615065534455656559601701643852355347202065052273375879370649

Factorizations

Primary (ID: 18009) 13227717156954615133005062397767019423263773 (proven prime)
(ID: 32388) 48178470531229267469036857069614115157263235008326437426841225727433224179570516347342753667400162236742558364133655856337437141408173167960836268047694353191293216394658024724655317809371151424518653984868558011236140477520716181222747617075302419587265977905478738725953914682107540286831605515327516952946600361658079224123362519213 (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.