Factor Info

ID 145602
Size 485 digits / 1609 bits
Status composite
Value 15968065860750751961713126689785901957500698246660579446204360145495958881579533549346546662483657605218940700113572902202229805155654366566685133175928318734711318780799144914282092158666185448269612243676337280729925012701817760028405474831328510780718882763959909137995780618671550191014229562697426239290138481208863974533380238611553036173845024573370624563680505591824900645801164562474498576113906171313613676093354199186920981157656685883054008673535756860728017011397532202899

Factorizations

Primary (ID: 4404) 2148920356182437964673 (proven prime)
(ID: 145603) 7430738796256766949117840687663692711378768031399918564022183820654264778586656295755228117132449118151717411454517339048842611134907809889496782131183136673919315807620988470230212570968351707060662973003437268660302444254196404785726195290890802576393225605810802073842121716307175253895363535618555097786261627778833286448671891142564868546393756381212646289184793085564573070146914423124720333594310402083756937450780667948196767410700734520906455775057804563 (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.