Factor Info

ID 31516
Size 342 digits / 1136 bits
Status composite
Value 515501366034512836038983009338156161409047351794715781518463553692624108508356839213802157648755754144247428395510875316765158704018086341884225199096877397438034079639171979404049537232215691092538729993614977290922998237234982010027140230229515030150922835402729621956391842324934556539690737315659717379158958577597222591485535521879268131

Factorizations

Primary (ID: 17252) 515294217149421423499988703942526739099350340590013332868923428107922047524561 (proven prime)
(ID: 31517) 1000402001183396445821014382618699753445874484453689119131744981733280466286675486847006410786111317687155496982708393953197365235040084185401166459520961467596178418379223349275377372598140819586153457568619705742179479704318266511772966119607695384167602881896371 (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.