Factor Info

ID 80373
Size 384 digits / 1275 bits
Status composite
Value 647810379467739132180217313430510414244895819266699451420456227696528425604988615044147721869443510816454377325675291371611483020785607330554328093908548992931042452850768587562528163655591358861024243849576692939487074273215662661538682272117459522514976038789838090744830220768798461896847557605727809937252866508879452906007052439887346832705937921160190899898513764329935010433793

Factorizations

Primary (ID: 79171) 38436965620586987689488589105716734784140096285687477673605804756844311140239538694793578853328259207261168821797181289210948123271234463330561 (proven prime)
(ID: 80374) 16853837679652042651061450701238736856336337773086505626347348295136478605036292493397652987069786893649960471910554807189118426394748484204568304154863695940583334348821308015125631823654051357848885423148802268580223458956822502475108096513 (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.