Factor Info

ID 121221
Size 539 digits / 1791 bits
Status composite
Value 72025978760828637772035008896613385129570707476439317157577420598164709228063345539311339027467445204470902301884526368648539981336437593516490493493590090563167685481088991321887296809026728982859349856856816091972054359643684454143468447500265988503357530655213572861470191463938777248061263650048481994299690504040480297258161457353290674152462530106660632324725880995063178011654856457397125732362030760396907109568361592301920671453292084782749371805800500215352009928545295625283425349773323885552666106164531455921551869021986410133

Factorizations

Primary (ID: 46698) 281553319156187328832682128412055193949812942811234737744220772313920323203652899098565152536565814203385930148176916874103107376045400434316853539807672879058639323087395327706383395032854203582858372441548256508865366286197799196588287301453 (proven prime)
(ID: 49130) 255816479012535971006206205845622677715484769528160006890057221792264774647476117446504242371371759079069027764167051448250661636668223792069755411966470266888283487296782246889737298685797091874897981871815480239305795404882719680775267609153594654355632185527780893059404397760447969229754515561 (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.