Factor Info

ID 128636
Size 643 digits / 2135 bits
Status composite
Value 4793539334311037335494223464365692598377662523838106112020728636917694910338868576228461812557970583647882596289758385205309778780219378839723934119485668184524243204147003981468672812522298616011213011338756458341572293016919094328009532415276545931280595739402114703591009266842796886913590830898809513720711609281501598711842524758264031358317349132905648046561874764120088777152991433031400240606199816847710458560776321083648934515060790559955858185393439360733557365468936691285748234717039630193161083117485945891837268765003385198768767234107146836840759193048948601562705328846568746142916645365112209106701121586602469863013865394401

Factorizations

Primary (ID: 10146) 4577841061067279399593476950784505609971139451 (proven prime)
(ID: 128637) 1047117903475982621416916641657849703206238333855664424723574564003462561938817469763333918653544189243379545060755873556422857893734990349817346384883841753550662694970576991569841379325797855523725340298521766770596856907353459050651958796871247016233370844710394845912384279322123122048974929077139893211338350336453843631318401762464623058435533779782917028509415051864517920929074331089873268387133510657553274410939036496461991363630328786426141450924173003445474996134619500247069085400757740913373665009446062113991706124690896685410542535575267102827730540079145320071981426853253532602451 (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.