Factor Info

ID 153419
Size 657 digits / 2180 bits
Status composite
Value 166343655331963611678895231009445249810728597512479791904940576085597635148209401037355241872516054889779802689159797360491432060215376949504717743311360637284255058451964743915053097637517978843321165394182551852082674683601066916646400619832190394775431062261642593159895275668867875846172727782481397377863578489847417107131884114447929026511444847798414450834878670340569213540871866794598348897234913827325577217303779349802326283070873761065412981655136665858393667770861891339839100760229074445807001691360418588886592914657799706564858864449441905199008865517290051023666619676088702293244886119220370406130721777108939175424466822687049362756047761

Factorizations

Primary (ID: 152141) 80489293617655689493 (proven prime)
(ID: 153420) 2066655673761253891958865755018649418382376223976396171911583325327790821936416197366038562209539301658674424948539762605391799685152742434494489843684266502057157350455145850567813410103841283240759797284753808670839632449695040217328209316187815232846187359761532489173742425715423292632556980804479277752664125981265618229831556427342564682880706889632892457527723915208991592577620174745828848857361067397644329232179092117497588882773999889781446201032869147959237080540040008807485938861899981879052219726295944486543515543764470052344133492054357245385929828996055035720001449279427307773730157078958954242511908407544452598177677 (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.