Factor Info

ID 144688
Size 820 digits / 2722 bits
Status composite
Value 1407798418553572051052867186067223784460692471496260909524138722801246649575982158340019725787279372903581844157166447028149931700569525069213147212317246278424335244391200494205820395609321611806836242077003305480009620441478463463382200516034198944193824791361879257845742366687042052390223176172193819433396927259016732374017810379541464683344459280001705712252015581364544592720410497572827337381428925887555450307057731480236393102186489383436921251123608326206043948771774822787615568760684169216603139794456512729911154589415027137445118894177416739709349918400827584537747716331273051015403736333261469308358627883646911520571830174320361879743639048801191021152106070873033157688990677889883511596888025938452965177007214199134739385311188650836065119993748911411921941026555527295499211460958848587112032817973

Factorizations

Primary (ID: 143507) 18891867820155616879121 (proven prime)
(ID: 144689) 74518752298891305464581790458579657436332937977735729148318095296153201449819572519839173394301234682422222751362172888988965433276667181523826938599674425264899308423427107702612300105824557133988055102825196884551110762128032265025970329614664045616027769247129161551514210561399427823795568979581165642947316984136612570303604467344728624756971174582691504400696123963532358890351597382032471956943848585625711682812519714482236925182577192451958485876732137167242489105861426517197258887966370460902469634203122857561629611937923611902361960147796289297912401123004575651034924964336112384396268674312787145019557730991778678873225438235432354419171111931079054101793529319102516079727681061495886024812531198171961394913848533721688535180007286002753028482281600999756415564074917417256221413 (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.