Factor Info

ID 15989
Size 266 digits / 882 bits
Status composite
Value 18533826055288009741160199620922430351339072834180411310447875153282225103924060911417842981215468951025103096969117868288687153945955721576140898934070976102188563392375854300573004778030247387433873631541952211995888891398939161731447866553491475934917029393725569

Factorizations

Primary (ID: 3305) 14768784307009061644318236958041601 (proven prime)
(ID: 15990) 1254932408112434219331608534808558861689400038463166486108069298731998944198876400023985434315872559849614544682916131583826210357622484935265460378308686444238762402060725878031238118241047028471743991338936598219661667269372695169 (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.