Factor Info

ID 64385
Size 501 digits / 1663 bits
Status composite
Value 353539913326871403152595133181363974871562637116651454518642435694013596929582614049084747784674472884484322305969883246411937551074944012672657599428104903798747993754008997090816867862494057949745679206923028438102633193192666234937752499756123662026668681753799037909989987080789779911020430151635411664535386055600559054402086340507331198367871983457073555568032422928273396751938399991604324027260392091507892691589015037373414282896591035162529747295258663652386293318926003692064188180008593357

Factorizations

Primary (ID: 63370) 281880352305551730895009697 (proven prime)
(ID: 90811) 1254219779545480270259191949853933883931940006489063216310085883677157234711815014006381957243585380516404727164615641147874454280206108793740717272712902815750435426823046847396098259415432431525359982928534050922544971964234387212965065173332321623806154791214414263174122620690320942308917391266154765293525219938948946193176381055776171802184140596772491589510267064020888433954072398425030358977287786887065047713263119035911601043905685769546532049466941786911998660781 (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.