Factor Info

ID 142912
Size 895 digits / 2971 bits
Status composite
Value 2128630779457086156022832234191172381893275175708650579486066811560612671867658326063239780342077557000015827158265363965534624356983546904604770354395026627070836923593609929736167011205612354801947994256216300875848438096567866303032584223037444651616665984549912165651984321182228343216153121668034842733254190276994858254276531685236027220573303562585589999942156267716468466620170291510530204883685770445121927545168398636927129110815279561276132719186293601013600223577853238308443276817604991286574016386240402433894070180134514328789410980814960127038901098267429709016171718088420896796390470109223957897409993257214665838110652594789657559520049166519086516547388620308212087319619974946023021185247755308844506972898795464715524418767425686042697535848321901577441716535743680193765614186259010572254634634729730868128194608844859472177924484495448478235000908130237394404271073014789

Factorizations

Primary (ID: 7159) 1743424593819524631667 (proven prime)
(ID: 142913) 1220948004865323815040975053360988161060703634704451918458771411102020925122354742900552523500390800651950362113206992021329936846069328450358410356190843572537523320144986468168929893512618852846177268569075875278070254491776410193217097390642176521588031457865459519320423271423623649406770060209607967876022618197017170191659137416929807432944113182019812681999610838576946696253272971827393594478011683657541612621498155720101543134868038009737477280501590224696775086546838030489686795955984718742895612356541011833925290727361789756887036015128770447608990483946945826880304230596990795414051932545460941035424286814808841914241754523653121647763399199027498560472867574108100563717017059667483737819051049474311446607541295137178501311286180853638912538698336731953086211085903956575478663147435534926020721194940425643539687167482095916580174849376416893601394579367 (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.