Factor Info

ID 178858
Size 1251 digits / 4154 bits
Status composite
Value 256836155826804164131641742720792124288902462920683121003766056851641971285656497961569829566295844731545632837506372664172650042037237717175649805486172812013366114142426151828793631525983060880374836560055126960348003535772917193178714916535020784722081383136202043840378174887753108516331206414464619726761153806108433213183899047342489225625871504677598646097155916371527164533695609571982863433625004002256013430017780702262247695411225888119438256898673073662479001518863052921361966757475063824240564799156331274764477533272770668415723062517003209539073835109514929319739831979309298634283831746793401466754456402168036956047212717199228878266930931158038522628075010070505142740510535564080716546353142620026078074072853589872026744645395641499925901737497139879544713465185372455007015319463297638527630994067357714945203845833996204135314166350233755261985272974326258912304917494133892347364875118120511592030224520189153747093750897526364672089225699316786758658274234300056990504347939945168474585082574296599465748228260435265785146503405554759859005971934046023325688501458980630053394732279785081465842556422141375808020755078269281488800715848280696504568947474755183207436525190697192091787647162272233953708062450469065223511341291

Factorizations

Primary (ID: 16999) 5713686958621709225544147160347770804209 (proven prime)
(ID: 178859) 44951037340127531978013733893165359477045416859147594744055119659887296451968794953417038701066233434866899144517052605696645758091211096148751656407997234572241814892273138051529177858493408479966756729213185403094087840683230534576057036348479898788941059093869352261107151427602947973724527884707712889691717014289008914372549941817731710584332510491922074951125364405605741419066767565391735016627231929194318561785390749267725252939127416268152156432350013040685179437120328107694732084089145157601019287182090148423497889203866240258168383411700909966282383207992708745166912947191393092701618704495202388425528516659771022253110530741890715043631737648570627866018837841782671582566010996650417388869103674552437298406892164637659693321207466215829946433102096456280665500214626793389657551488209114634916258342371180887575683475074699654601544540128028984460041392289728389136413747681337773820786871430358060340987269975898466523231553262559581053493975331535778529090863326301135858586875507090557969548418647759269211159977356060730809611453728651877910032741347808729814050819261230388058240248578723168442930356358442889290715133073549998841342808510873708723244662636755267667489803027830448249499 (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.