Factor Info

ID 157871
Size 956 digits / 3174 bits
Status composite
Value 19783727885158101607429468429139440461976708744349331756934986709684333509643244526973134179338434448894082760590988948261745311330878741426198141415961213651739754425443356795339984156322775717969119286586443981452947390538398916751881515412335298908714193541434303295645923211181154383349975894817412798958631048073564137195314396459516392887470471151227877997049587179441640476010207666605321133024545673239314687590272553670646652507421346695456058885665159736496790787949865879379214454504594039759111264653171984919271420074464763263003516353158096758265292786623648044877354651502341567272327594015072707743107722375468250807186027766839573997791024346637711675825127140366694098090086413722818441097705211537343516503403804701587916896925844170698884241398190484870578452791826728933933936572468321985332829770542194169488797110528063890429820602455622301689596335277222833208404902231077850094041215491317814183424667284887431044574732519303950899

Factorizations

Primary (ID: 157872) 8197296534044769281437961 (proven prime)
(ID: 157873) 2413445433258746790334515166263188944368352616412866139445091082419946499840294815735782113234133813502649498638785336823981063024770310300963905460474188102318795303650418607795326625660010186705966910892070744632962955886505247283153959496096907713061075584840750477809420501388047047617550773635706053966247377154830224999988411308958520901254028576828410288039655584934431115191973992556395166119594275976240230581146996086383660121935320095211767058643625085958466577640501085789348432957893785634731172157601590732342278260151834802547992248723850845059307401102217343577070899315417875672715708465497620841613381628085043154827051270209208421438620017680900519017342953075389617879246277936789974368461266867399700505334376485035855354612542165659575546117234657732011497548666485214401710460644280510037605895921010917781990867180986157794989297762878295647125122978144500353111933458272236659999942910991611596054076679259 (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.