Factor Info

ID 61900
Size 608 digits / 2017 bits
Status composite
Value 12528928500180367794425353350889882520821215792701232969641672833804839386170698673352959254670372319912308165563033340043073331173607487040472584303341482932649302266000219861587845736406387877719317292972911536991395451622272150407296438562512381694897510459164743503148535201383496910442830537581767325730132071650309799010159053143390273898344588238944563509942361166436184138341075869373502929343036067355198468278860023447520452385801980314804690308721210294975115086487352682943592294747795293665854813413566818075006381841856172197958833759624020285739672742853228721117125181030955347052013522692593

Factorizations

Primary (ID: 3488) 19602880710043505617 (proven prime)
(ID: 61901) 639137108749592637813975975813767422796823251386196764161718466035422828246427361917778736727539727639422848317688318754407952975422880975975179825014816434991001924168429831424950347752692079900228697592571270055008370445878991797980691171435654386094448132735637522372056172813610377935412932076761283314994650123439900859593593583321602748265407416334391461005751209695832378067598938086742801478437784272808061192244974510319207015905024621589252807280832467557538913254583054059759269988598584485980440832370785321514212145285719744825671842841933861606267325835849329618233264004129 (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.