Factor Info

ID 144259
Size 645 digits / 2143 bits
Status composite
Value 677576982887002763220084691833164019496318324388523774170110389328173748832528431317905946522262659898424859052116949475391684258412351029327695651519352242912666605951658253798397907304579067025617562938690218328275001426045980151384420098723079298350491987565912858523804152478453396919537682035153284937340865318933072858235944738305414111246174275068201041994835561846514739991840498329432070773979098674346337767690026624112198169746782058593519034883648449585386309121702849648405450993843924991562871237466064804985608759360226798306374335133055134720782581611055976155514975884086442603635774117895225357361288113672822927221261782289291

Factorizations

Primary (ID: 143191) 519120529806890901634425285112013650846680048467074802680170701620672466689 (proven prime)
(ID: 180071) 1305240197568484761955069260172565224742410148916893828344590135470895714768648847571105830405853797078884769824408593169135885776990263680110747000516190720333644032019288415767649626563322804329193986950843101271331326685017638548270547565528889992590736757247978453993409270658840431821401312555899718607939527297389177003454987786228635756558017876893217942057212176818260233564172865390148858047079087222495355296447032380350183865447912251961966172218196597855683588008900007553607269673691204469074167592066879393000602772652991754058238946622701857199719320839819 (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.