Factor Info

ID 168131
Size 257 digits / 854 bits
Status composite
Value 73731383110559821597351912431152251271493153209631491031694359596280334567873631179646645848677227608554064252282484279855576397548790326889263027693021500026785789661129732154921067192487772070743953262462987571143538258000360873962239021722980969246181719

Factorizations

Primary (ID: 167803) 2018656483852209137639505692992077007 (proven prime)
(ID: 168132) 36524977726699675343711775578843845958117555058497133330455842496223268568106493198898835445932531431704486122203489963028979326337789308251273093501716327532714644985164832285895743662254108097972791500034549519683181817 (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.