Factor Info

ID 31905
Size 540 digits / 1794 bits
Status composite
Value 619637485052704946348070206072812925765460554014384083152470389514538565579577014238560378598297512474688980479483089095688960381012495796621535393440722363764476364417015323516365708405245694121036539683716442216663834505145282092879818971643138156781443646448611815047651348859474554591878958160693485801444219794906717219843296775440449538613072905530236296325099663112527081513249927555887098975245248877111676190518413793352530428263115265889201432064308521353340643701713707855844639628756578871949692118107226653088410230432351550833

Factorizations

Primary (ID: 17778) 6230030633637320117125625569570897 (proven prime)
(ID: 31906) 99459781418592781870368619849726264081985322634908127481853290211948918320981435983864324440007014641890025036035219512601169387626280066455479487967574750865975990305516134881237156271579091184334158871785155290566382729089723815994162050407354188072515503473214871773045113873320254549020832785593778178010070034788683325054230039465577300058590580993714813619755680402739682959963658135137483127557442102199811690110644260179944827301347096748565219869379443270654509320596269489244472048393731312653089 (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.