Factor Info

ID 148731
Size 867 digits / 2880 bits
Status composite
Value 815403978040940053949938611622510329608091644052402892788857664318388824017123449851224590848151002608473568293608974465949449034882196951507542433111270263530415639908100124842396302720720742882006803306563560234382459402088201523047905147382025005124955001784382095746826723037389874168932715212252349258698259396913669518898257616200814641728646482895341843010485689198213936209965741185589811615717937323127469152108444543777404388524685874568101315064878655177995535696794208320280337776636897356070013897522992553841125703869013833884346854194211702446210327422497334144232869822035583110037969207593407605075896360543880796757735943916882981949477996876170589307822338431916582669967224856337273981103444028362999216225471868429490147166942490374717100177625836601782533760297140398350726840240452673957988090531172648979075710548263418981345442784423446590521

Factorizations

Primary (ID: 147305) 419930371190062133539 (proven prime)
(ID: 148732) 1941759953513543354463793004248666005379562535559836384813144665888054881761772893746848463912239945607526437698265906517794280998947537034788763422758246321787140077522845191626662524932139203228688703607902339346149683195002360260712894171901236592591887932306637934098460127121039463739541708543149465926364179218607911899530296157289229128192117516754993303148861986145994237228449991104719844510577950320660866561123513147149072308652847441465377600546285736065296350709296386872100447638786134769769644299076866242669188358441407840685835507883802947896357523148183943685167390362459977417065552915695564656589449544036833099696198706684563101126394767955504189057648281508002507445929382395164273275080492459338602535716036279901709806915811143505641550489693682176522931929727499369715871041756530773840969205506803774125817723856160567539 (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.