Factor Info

ID 155637
Size 591 digits / 1961 bits
Status composite
Value 198405317355275331429555756191357527552276181027733229240382513558918685086738889202145463023982881068862241826213405445790667771825932512757214738551247077316812804136744186111652457473930776710676371893130261992256694490071118284696826821908474432731477214049170682805836153662726622272403722978579283707049166063291127613286979655542544275310632421794331997147440267193836318102178355278481836756320303803072575491051731917759498766987857572685870118708448519529320332162977059411172666334675549650139932895046248476500916310316042753806217491037957892218448778435445427513227047738526679

Factorizations

Primary (ID: 154998) 1082624043200940747122321 (proven prime)
(ID: 155638) 183263357766062706405179944384586726334167375382031888105930350247160641335486476842091337103379668259666445090838736894015561682708260879623160460088114777725713897008254403613264021007794409676497829336140412905586316118519946821316866319861796543889434454991310979934744285811454996340655441246525804587153756298072665541191078976691360136673263366623126527084198616026223109089067822631497222361428639619852437474615067711829473492659974793184398861229746517767624411753081687193066768874660651548495262787977394002748881405363523465539565295738529362966685568999 (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.