Factor Info

ID 189982
Size 578 digits / 1918 bits
Status composite
Value 21086770485890661216762861228107814089171558815554120670201339962365204677467830484708691407093371037912223386498860828150786661172465730092337879628175874687831925943909701874235483876217606750027065607577906355758285939827529822822834082998280275879938769631088515490526885815528848010049792581451726009235618715284827307701507974083395378714229701349439521939642352178439517256325611038206718026555923636905913639830557815590779315500280322066600612672173400088725849633735285572063462703414231569328254074747656682023127251106818410688006359429307471717664418828232081320437

Factorizations

Primary (ID: 188889) 420618321325123865137773089105095212051907948657444957 (proven prime)
(ID: 189983) 50132791219028460639705033315037644954766137543226426786867469563091043856639895617486519910049596714917356498189938940670774590473084001536835311741279714884711491519593300764836242978783242713297943798417519534350248637326529051166200520849960927734237918130991516859922018567921408343034206522402791429869241029082108934986123335226501340425342976766484058502966686977522531096167836006166425404928806203018467479348775936250440173946720344411551454329889269941612780545122363175869886318537706958863983187634271697579641 (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.