Factor Info

ID 181667
Size 781 digits / 2593 bits
Status composite
Value 2145127295862238277449798909179485138851257172967800338574696125401231487712880328318463624267657062369233155145431415274290301157738361848577465601936007980431706412764328012085426955517798630082499082258052969653071541002912594325420280583973255329404581192044957101032600034812056516941208960865939257833382611137580522013223831665335071325020596824303590599234794615785348529758531646104279939804775621917748113347887374874880945975207599816414718275469584882751570519828868514513040154032833865780557751482554538930085644027665820221750818305555113259781665326362602279955393490921356482682815953698746017284457285824286051750268592114473733152367090903693416609580565993739655702945954783107334917977665797755116656517630285431509555350578960936006394257057016981011041686253

Factorizations

Primary (ID: 4905) 153265799533195376744346192523783881951000192603179369166912552468324813593160750885199104588093195621226150241136468664957427242093490267198913534258034587625519454651216056912043800900847278461802423426832525455184869040409683152092479276482775477126858585370943093 (proven prime)
(ID: 181668) 13996125048090925422128765054141906882396964497090050910659301325680578347383042997181121361411448611525777154136223635292922434143134518503284185447290550089158509460884571879693586762065253971675435472524157220911666488318292500860799935001116597921111906514175542740014524082633256939697927760763586706082050732550529755539697108738151604072775918294865248343893382381240172637911282799116799250584702714087787208701352622888369747117801944324301323954719462908079859185456716010553061593877328127024941636404121 (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.