Factor Info

ID 21023
Size 319 digits / 1058 bits
Status composite
Value 1779840533998768133644096068669069413119762879617805397966397401033723935372769310869944997053822231017672363467688002944013909636860583077394185395358998683734505286769524331278735624748462586535598185727104446760390663204888926645673679064675819794482400309491065039358355715629944825902999515195861114083721210887697

Factorizations

Primary (ID: 16562) 609201485490930587260897 (proven prime)
(ID: 21024) 2921595853569640207807686093645161870802735672748497020376298863814443830759532861749412710764687904503165128755020061556841180423560424358268864341687090232302079185756353589581239061998531450034717529070646536777304302292279159066907503321243202733166447104007418712068006605179878771273444401 (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.