Factor Info

ID 19795
Size 170 digits / 563 bits
Status composite
Value 21371121209297716093981517217122518326007733552760293192251621986914579806539917410373466982475596617821558881952612475070858297785879482221639802318507178934449519847723

Factorizations

Primary (ID: 2214) 753201806271328462547977919407 (proven prime)
(ID: 19796) 28373698829924372238771261351115808879575326897463259513586642449689567834682047236802299690211603747289939926952274383699286358192069131589 (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.