Factor Info

ID 180420
Size 450 digits / 1493 bits
Status composite
Value 248729194965442947610736453334357802188799542264977422170651694622189838548454171988818517820358718245542368354606485835407035424580495773075719690297121198653767781498430365593258455466582779780640553302013860754262674276394697693459697421453686301686323752273632384208181319397481405536072413292007135873685437426173140383718645482200706934951511792175361486091838510871574677331818855929652554008986690368196318628210791003950348869091920410527783

Factorizations

Primary (ID: 179545) 1185420819593864459308542216646249318135881937899257636087549016020211471578974488401472317652455438660150646370390867995787699570986080337107293699 (proven prime)
(ID: 180421) 209823541863099506920338297081094652129744431880470790648806771423235986625170376845722648202368158136757214953654678026848638198551207547309020058006338256255609764764087094641771348934017798592805308786133594156738892993992293414218583600448297282056266108062429817709739583017109146289306592932335117 (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.