Factor Info

ID 21675
Size 591 digits / 1962 bits
Status composite
Value 315449737632371962188076975849560833281789539927056981038192900081025606847545581784808561426335848553520851321088792889096740719236338993807539415562186090659964285320097100830293755352123867176113601983752500826486891120636216460641700864322861369319219919346033094971111420572508743205448492617579716099936685370236041949990148024741810969398830434824841070421330260826305225278510616968969208780455962866629876005960515182135186354622466813109116349416452059473039728301206321791142080227498165563040281796803787718286878870565182922133922406962653122972710319447983484808022501097914781

Factorizations

Primary (ID: 21676) 153512587518548934046979 (proven prime)
(ID: 21677) 2054878643708980240798647487802121966114358629960527624567843314417615919681500154410868331891426474903945600606305494260186056413667987915459078986261173212018635311923406745599500772234682132613161144301073000423812897482904002969608223651721376056129445343089466146250921242256215813956740878690388095778353943824065460858618908059802810808386786929665371344377227584058611997086754831957407193837823043445736051514989517215490956563921956907550083091205611090100057848477890400757742898841871383389037914725654346711532538598525891374584028946448295920387429129439 (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.