Factor Info

ID 103981
Size 507 digits / 1684 bits
Status composite
Value 628810233906267751640356118835137876599986588199276192369515282941756764354236605337972322499185624853758609938391407247586395427167473193064841882246256547042577049945617831277656304449597156407796346504624889460678773792332719026843225178882046656473988326145886283630903240247631870749308205091669712287907147354424887975138892341446672754873040041011482014804393657755301413935456620341874788301033642586960059644542781463165943207189071239001843704434922045508231897284603099666655036578508629897466537

Factorizations

Primary (ID: 74) 658078658277725444483848541 (proven prime)
(ID: 122739) 955524428572023840043776972366064010983694392969801188560347238048232897910096833390191529476554389460658059036298199206859990848445178815809437969454153425944956805650638318275156967483868725351547575420076849222389518471258324357233072223507036126013441828762752353174929883632315117443982835223372316413279713972073817837891264742030229653045040836321292919087724068401759027953259323622940107399669193867662005578687267482210517801298607095418040101925836263999929439130381757 (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.