Factor Info

ID 191395
Size 521 digits / 1729 bits
Status composite
Value 21317909406863380750024994431623821933768510284837362509844098505686684565943135992065470938071931187718732467404790299029072832768456007264244272942690613721684874298890324755784796346279715734880971155805528620164281665034928783745390861898343414966071463044138807672932801155650694514128053813989448690460825648202496171110075743262405362260509596510711370036208976038911179402508206089599944481642146117874360649052675765722817425185616704746275477954701859324201568812305295082274856983841060578972449143499033450879

Factorizations

Primary (ID: 3179) 1234904213576000272542841146073 (proven prime)
(ID: 191396) 17262804007390653332327993110620047817172741585086666200501783062554454545468132461304600243189183013336220097182077777950177127064270401747464602508148246598016728358660988758318479487329984478975542149942351685171258895401793154099758017255253672296011928589820965361337109676894829330306389377933479188706902043299594676124248098467689904353724430020808724288505333012613672233623552290346104128407553043820058576529077932499786145346565921705787174133562488976254803747842136717998694423 (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.