Factor Info

ID 129895
Size 648 digits / 2152 bits
Status composite
Value 515639480904696349663605349358055358928068752675418140785717198077780246723663183447413760410002703705980435284659187262498253680956606702907652241386957858634928268394978586017449998315664543154551603951731820419171340359384828994302601419189681707590822733100012257235309439330076928598801120902282046780989381199304320339065702573001185991792833411367286973400210490657623879319351806980779559663207196478430030175432777528033667578869654400983475556648587093884751639302738900130938083866811070732174923709432058452783319323884349040749490748084805062468321825656393466777248089412408901835876241873423607122900296536167099029349093243920715949

Factorizations

Primary (ID: 10235) 24114368219338920928763731431439866203535156934096701387495244153514714313729799 (proven prime)
(ID: 129896) 21383080668527348910662259845635203343200696419629069070001708225035857511875918604074151356965613592210387128757939475438706829234125888436589311877258556686195661151948738539218827331265111963426603762273754743722600803395993965953675967158048686739359304620564198007830748544898506682581205293264007902454032591865330452385188044841959093259342838623338786303880675707559720534006350785535475620635139950596526583733416903972073791812170696261538763417264188490332857702431819070790532129020873422548716078041755809137980572147865117898133952675535861962157504743851 (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.