Factor Info

ID 197862
Size 900 digits / 2990 bits
Status composite
Value 630380651000461177158678141694253368750536906552269700905401526417930781971062855378824610767458283733135321467668105574261361614617091787909999223807251265115723956876218069298216471182766063277639592329327552597456935294323729609346923100236275186296845677023691052481150696328631172808096747862829108790746460960175131569406619047131453824939071863332795216552170772631374534663982448901275186592958982355112218999785630853891309697641036988549561379888984854681476035693285087328822249456053575103572974387569973434648206575367114340051170677467768544496700333065607846158565895386374730534283886774926550955111142953987380869061810580530436092295259616273232684975818032451054721518260440487166797997156824390582429759797616565365359319080943235451077570305294365773936232498401406979368044497372548986992356114572721242441261397760189833625728215138777395393383967396462525357054458850753944239

Factorizations

Primary (ID: 17789) 1018570181134240741346108055571875575391606285444055532689903 (proven prime)
(ID: 197863) 618887792590289093757891361079792277193139180243858397390540507443288741879515426233542554300365918530336340703002373050692059204154266933206412069723215656562448130292617441876850411227563535722764173882818495067453019971425117519849378177694520545043761533731380046581332715296501587182065750381216913303652113845732845214008293998765410747950298214357810009524344422804133589078783923185934172420174998852297779541840201876427500405316689320200702971593288581409565278291178475393239697513628825466000138486891155018438393332000826506719353493055065730056989960000135449992922210241149717399778564724390273690006223866616835704274763962784373670122297105016643959505425532815235071372415552623451993452726366289586369293472506157405774022948097362421537588389169905426637501820402292691681340351229234754539439793881709019506967041608513 (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.