Factor Info

ID 21585
Size 529 digits / 1757 bits
Status composite
Value 7500113348946969885194215264259412835673008327399446252822380068396047787207642817661039186649327722043286551931367489552121946222728314198749412549526509140092332549230317521743971454225205597279423088915049313936994070410949384130535819521876435742151413311823651071781583673983566074407735485938150160574326852564795823603441060839468496859680303298593383460867975083379085081271375965535934556012430134104473280214637109545486296018958882318217602690951898701465596479242207253811695280280522441674455073486452961624029066497

Factorizations

Primary (ID: 16893) 28725827491802417627821 (proven prime)
(ID: 21586) 261093030343070239081306347778547538787165829335202375794545804701811886701784112419016307721152382465630858955743265925003873078341307409788671273350304531424334234228617588238931040069385077375773022109213814247924271766450073708216158069481007914980522920667735712970179258598635113957904196377591992302486884864278007982544113793594046028274879040932397150136366437254658689060115664278787160409114291232169649555473263431154765644607980011173704205090789734257793622031035036878205997506990150568286757 (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.