Factor Info

ID 28538
Size 948 digits / 3148 bits
Status composite
Value 287573370456367306626009117431382315181517568158452762398216396338350028801630810401382335480920141310576217718471379710895886200410448686889117099098193388797578841989244092276865680311505379565552433993081408076154359434785239879292595865414722959261549131426939794744268947212477453397221682549936412088278688348445575307626785456189174274626136701581446497285567515665231694865139912918314851541997743696537070486442979356419356365738796019426389187629346055104982043533279414438533514678977034393755411296625174150306318176014329442444122347252151137836793593954911422994612640919097898454668620040345137109183561587669622298430271059793414472878374226424815577690563637820562678976551546727949216804217830724457878850144113464452647903161217768359410390419917168630350658241209194457106744070801114529962743856798965173576076126008645570531111551022772634220542736518168793666951696379896989189702109661548567182099810681919828174273450557997

Factorizations

Primary (ID: 41432) 3715631189441610182664346038535448639 (proven prime)
(ID: 41433) 77395563712980943437039701058630202777947838728749039119778538070745518900498956531413006722148542845984163157488639803298981805054652982132191522911704933091248246100608740087351946255303082135577847058612104496216618420910968303324264492299285677592841285078615288996315878294438967538993177955068512078472269543166560358125336150546465639605227766838878162731969650707833145864732741816187602457458594791210412170346483851325615541217822952747031433769108278053374349314919688737651778386622727880374343565762999035632651604444138428491476585023954005469240809558243013904415039784376677478189921429229949267265926279160261982730518141658143995858970862997866834773013983833772482153975830747159009133880622565813374720819718674199339342916645213119768288143075502011026690260037773352606446441669844319127826124534964379681318772439523448598863078063881188185124548915580712000934373047497775831799408728723 (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.