Factor Info

ID 172240
Size 485 digits / 1609 bits
Status composite
Value 17749818083465628011051967937911623675195162474388836855947025090382846915594072611890091200547971449887353087353765888550277123115327861722301729398536165667757562026969532361649935366520032648040010301850648543554269626632138750553194700912967781064969341690718882891951000058429599761804848729876511434728423939630979556950216033773901585353516868851818184007269801951544548764659845894967995000238780406555228680993202420418719149099263147715434280659319537786688030470080724411841

Factorizations

Primary (ID: 136592) 1428729544030752754771753792646067505673560575841771424767726554100039853060598667943517550325965402388455417943722596869952631580906342657 (proven prime)
(ID: 172241) 12423497615503617832007901132840001100894044385265824456776032329922024677729991422196865733351661853889362494451904451974954445500229396167285168225531630031650259094598877402767738411614406169923698618962533136503808570941948546373150721930918571244438657523919187642953777581173876774135776609402228396066620144848933492736687356963625991838913 (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.