Factor Info

ID 157247
Size 278 digits / 922 bits
Status composite
Value 28381559655157221894789472780484437591915733072759343074804343206614081190683875824971273147535528220851667732348234415749270435676217007000264624711238314400327721531408295505857202616670975739744031544804141160173352866127113356643701723843403384463812185883342260654535791887

Factorizations

Primary (ID: 3012) 199957736328435366769577 (proven prime)
(ID: 157248) 141937792336975804777719470637819012384869046743635378785129788721675963439862767920797538233459796679547816457194097526056875018768819884940078987960803293591904495401141027367708577267636617794819677576587694704749194171306888086533879509666822709655031 (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.