Factor Info

ID 21208
Size 422 digits / 1401 bits
Status composite
Value 28999121489715785747417741018508631446692487348539199501006828290756151228631340240523905548079510937530583039902544029825625348820228322812389196454175609664868143712159285345996157596814920612951952423736371823940602441656410181876439599059567652998500718545200580741053638857144458205945792680670465674981897670544581731894121508853163515610504636653284304671417795451762600779604864849420246053502540664863209941823971

Factorizations

Primary (ID: 6672) 172827552198815888791 (proven prime)
(ID: 21209) 167792236369557691480664919973119023236422054484461872235998076642341766873013539161188824378946652015610889582264484141449560217139507045414397535298687577179012391493478587370246176769733332738565448912103690829091897985797014612653331132818921308682749896830979788180063083730817988254297336505939412903155295770242860322611086361341109471077931916983337018915764186134700125546346340325783900120981 (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.