Factor Info

ID 55831
Size 488 digits / 1619 bits
Status composite
Value 19028717518735259340945182278513346546457548085621030864710009350705934644421688685757503722803804480813319008045481703448156857686249287634442029727558433170561233131580527121828100310430393563657695792508072517868214747624033649352701923446218280351842383508737409510632569139084329777356091000549082892599666980400781323110336996134599085993665620470912338452094588345247930921550048494606191365550706354101768201475417811272141078169101333080061693520287948365505229956738423134166469

Factorizations

Primary (ID: 54902) 19026442010188172700578868793469892827183847475034770559 (proven prime)
(ID: 79567) 1000119597166189462211730149653988300942007721243114954572571759529417038888318499424205127130009322165611863234715497481196102370352136084371265377196862297682440149750721641147755192104270196162202516796154579621902139878371634809834034279243465107727692500585962638498259468990412219892350871237930740866289235022874467548974280266663731041426910518737419375196619913529851909438894659266329918489938879930252434988595932526658491 (proven prime)

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.