Factor Info

ID 41548
Size 437 digits / 1451 bits
Status composite
Value 42021305458991457518623108318716097305463632901783580034675956631174187760461334254277077362696135233438324281876863144838432977327530720269610964979605287796589227350054849538378230921455717971391476854610644448263241673638829446831312056026749535122141326372893427192891721431601242742140370061402639781065567120682952784429807236282981444257828479442137691852129635531363157405455958549174504657868061071747714459516315864909932235469

Factorizations

Primary (ID: 19747) 4300297028838474156015268798064619519844286165272568941158694953418333634388515222398381949374346543672407516659353137441 (proven prime)
(ID: 41549) 9771721622294905690071145021134014381208277609518310115732640971278953945519720326540903976166449957119752113051901973077043999743601749708421069268008580411871793115458178494112110987435014273178421121597353406231789505712642539000275199267658719841563905437166399975953035881510895829526000337165354568941805758509 (proven prime)

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.