Factor Info

ID 139831
Size 506 digits / 1679 bits
Status composite
Value 20037575731069451386463686360330732227547250657998481587801941775098270137320445964024256749894712863251820041935311300031314193976203903440300287413373922436546946064713233378804442423995790773620573848676538381209432789356962641257098760920657852311793345567378988615706707535210613325024827842077306224265529375839056287062227713749855921943439140089315375121169245850352917403226740449993521532692624978620113553185891283190675215308488481292488316371065470668525864716805593588197146841661723964447033

Factorizations

Primary (ID: 139242) 115888656780525140119 (proven prime)
(ID: 139832) 172903684344339785392856128403329771500071801779638256268922458119323934247621466624387883749571467607767124171138950594365448896831572292533130668465721528279726666739018491985196697446539202468484174415970597360711019834450943149300895990034372931186372424811233524328739034071560751707528276473737254511323244397606234052096869015799424644508808477634738245524049386342059619228949305342414862755475815964024967753094368999259394779171997335547044684357317586754793565403307528709807 (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.