Factor Info

ID 74154
Size 456 digits / 1515 bits
Status composite
Value 643535871372975101028164957993114439485423224513074233945476067167061935025563280609412707418611523847280780950818248336862643284695977222860503322426093010062679760659752964930037545727540806757452268675416710182633223195995133521015271245877497964076353738294818457980011602792749057524437222397426289480499434544617584572886183325841610714170676533146848228462643532932837649528198419305537099421538420746029388710026663404821882202932029123971608694357

Factorizations

Primary (ID: 51252) 4393489158801046544380186817 (proven prime)
(ID: 74153) 146474896855917515174914639383554596768466756130423096056537024195759294379140893084112524466673127381358334772858976374174715745838196081170060278346194562909141863772233429513891211579304325480708879402732435077541829717806298775744074324028977436305003573932732501783478440944296527189015746998852300254007949743829374802195973328280917831660250140772377169199324785140886259989761695237972082489212705825121321455981921193621 (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.