Factor Info

ID 153355
Size 557 digits / 1850 bits
Status composite
Value 55325785384410660953705465773647260420721885823343862572528859838111199437526209767538413005131751559984659140318454282395252445787743508946638916242147824610462834920797793122654732613191298050197478527984925319192732771738110028902921825657406578374466669140593459632856332475494172644772106569882476917149452494287712957440723232777173646680280139852969615665768536641389688800193743910367548187416731725661248009643542595961499859323761050948086549001175865243583666551808906084196085203711509617150902559965939725629885113268732669621395410447499897073

Factorizations

Primary (ID: 152127) 728112221596422948171531823 (proven prime)
(ID: 187441) 75985244778759615470349536371087932649102370504784123959478927076399524136699781975822520079159342394237703633013898499690221485961197085205760487179115655823538285280845307022165582196083943601553715862887430393633446828023163013392883568617754103381888913399685338581445716549005742516432913181538806422362842521538519656591452127893253827894267568945566347517780005472853712976535617292499401813557184544455241354300164278825435772838517706984995371155265786035872334382823576218602657404865221086504462777833534781792912726751 (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.