Factor Info

ID 191565
Size 617 digits / 2048 bits
Status composite
Value 21431599986860101090692889025620688157911438505458283942765064486529302018006149483072284369984733723875356829257716954302096742236947947366492011971949233200390074826833755717696782806612343896428928027863871952790413131682778507944009993858029294171762974777717742411481380573385482200363876577180929198148137265897306317194876358981186290185906056476465338294849095592768106179479681025297555817644095578651627485333230056756343469354281521487848768180481229495218017956199602416183941524341334316773287765654407890458011984235043039681181839963005839793801271406820720208099998275263262272064102001512204084795511

Factorizations

Primary (ID: 10362) 6424414731245950286450458211761 (proven prime)
(ID: 191566) 3335961466283428894726626747611878848176916378792678905830708675645101391504387983930475989873554503750135426410377454097410244153701132943219401487821191920567073491542424797047349863034206564571466412599807195498715789695151375901737315305905435863509798591218888287883604437846296616786435060220919391013763785422908368857963171709985192698925186675206859762200452881792046566526727751533543497673082263069544698555081872943545372158013765426457613253399556911177685679618941815514729011667606330476373950551237590847133408094946053118007154840485024646120604560163783940187735683751 (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.