Factor Info

ID 42840
Size 305 digits / 1011 bits
Status composite
Value 18988501432961968275236292507846571777073341270614187400551939532381632601917656464619907155207214715729057885822065029069223098121432318752052213416887777763591514776568870384138128737738134517936335151424455160126934111148690516628222238168142308918615129060412011652490331094341558364676218763107745481

Factorizations

Primary (ID: 9147) 46452589505548370052101 (proven prime)
(ID: 42841) 408771645134959632793375814858895161894408917531945317384827837841662032429972475794013317988483485538678266550583807932543438728012768858090511959500790664156243631527443664105652424154156431554015762252121520263673468680697536268600247939428789306322419322709932851132913738395381 (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.