Factor Info

ID 15907
Size 264 digits / 874 bits
Status composite
Value 121301855336512472556575307285255096978704309338158695333267842448124359828542587677944575071987171967195081082512235720920945171355735763268682675181806670029133918744356764785674025335894593810318749504504324814908827909285929938707051716371612055966805174637623

Factorizations

Primary (ID: 15908) 25887227540110145470037301654397281295032383902862252725338537413646289417 (proven prime)
(ID: 15909) 4685780087827680719891802626150782676279388224126987341155839511894329919737794143537910134708614356006688924788143840962784561713292708911655348816856765575976810999488272849603295975341119 (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.