Factor Info

ID 128925
Size 519 digits / 1723 bits
Status composite
Value 421667458853150429384529394234977533304936482325453107683438890815168630101405374716850615228144688665193027368795114596328741390756649406438401460157242012166851660220874827411255418388212911619259907587180416017060873699229931973192113959642850704289993723928622633921233804045302521893680990704062765385082689402666042347431823000673363197620426471568284134201076456742128106173433365379699615722241044916701034579812143247004820257441938620407215624422136833242408932928669390919757393713817744007955549546913629409

Factorizations

Primary (ID: 9789) 683109212448347584341216929016345543743 (proven prime)
(ID: 128926) 617276785569678240123707777626887632677259817060533781680728288294349091660594940118612138430011026186193094354772399814061635923303363779264900269292857698741370581080647697663129148178214019677455602524042214920752594799072491632103279111162787563855921287191209767042823007859708093243605084143303780855921852701290823641207161566612695106035419947009025006864496058033340728830550793157062890741064731625663114472795215371335971608562238981368321274603091683639255715124375263 (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.