Factor Info

ID 157372
Size 552 digits / 1833 bits
Status composite
Value 521200953872663449365163924064420103570915968432713967396055244811646079456949016128923406833819764403888156389379370497508196178714943898377634414645620514092390482117654129652246045169344345000223359256736367250193681654690535218802989036394157026929739053645001763956158643494153631445383959078645318072118987476036701571623877118758811582096417865933333618056905068061586811537535959874864857210846087242956766927061725402797385384143372757645589974176681137691956995958907138094498146962529200286792149737093569581823527838559367617109832498843681

Factorizations

Primary (ID: 10315) 22481127512575175864234185190299 (proven prime)
(ID: 191436) 23183932993624159408629251136169477835761094316061611542997854767706303085861944392388660179372204050930061716182371572427722042317412352776737288695549644377179970484952796850725729495187154937937763640202965038297799918227090332027817329235251416265784105803373481982406896109251592906581203016657272201390694064213552553526179795212018916697990749046777937373900635132875197516834140929205178486943485306980573458866770197913935765505563781991258383508508110199508684617058206158344278152135969226401031752931111372019 (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.