Factor Info

ID 153704
Size 678 digits / 2251 bits
Status composite
Value 251158936737287535620975344491094069059570372697626353707484924257219248986145810755116308717221538232399255090019755875709991439726258998460031408357655399523651718990247177932157818590497675245270651647702304945597024715098388981214674706893216405028389723460779167155187084009401056626508915796242378382665352881093482353331385690073110383742462843230048897885456224947782922771952981005434413030409764908595743358193356992743176940090495799055948023221086461801618626563624809201154381954535300762207340372872497314443614002118620137490717318750548710457154320539547595887308907172347432878821715054825266594458024747161708040892792832306465554412885694926730507495479948791

Factorizations

Primary (ID: 186383) 196062896285723348277701180820477325618061328136712881 (proven prime)
(ID: 187789) 1281012070592247487904123811135517077787208835167404344890487783752099563941892573583843816495928593875347450752542969906070802867551321717167681115143402245392994238799992932051011886020676736326847458327738969173084286514082273746843669157556803534909739640529746528897171537068833406801751536496902155559728370639613019885030536891720940990238799400404746719435555140969238195537797682807674008187736771892690050856527387125737689958984870077533307134318610626005168859379297437376140248332944013178263749277409007690873967851514169833889953934240581502489611118896651231134568080583865149452263128642092184787579521699111 (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.