Factor Info

ID 175345
Size 455 digits / 1510 bits
Status composite
Value 20812189879066274696607134590049312159909901199904509019912988683807018788808926468699410428478904593899663943961655964632210611515316451062934863907729617884700668948540039284289418705842095645171501626173753106419252796490757929707367017654175524363922555150450815104821300154952867833477755742612954797289370727619145593400190325145874758119055917479076728485158945546820437853067227928926868947456750982986269308854667689585229572833066810282709115743

Factorizations

Primary (ID: 173875) 1509908630587513484793824245863717165673028092752535262045353980625438993 (proven prime)
(ID: 175346) 13783741252587013056414775595465061311273913220565043215786717883126428655008303915182113442375474245761478522315611079027804761816014515382524209991549991903986164349022307842970784186916226998893138882389164252759395741888343878053256395577618324243312909232349897977491246065078549771603828507457085655424810526736007069261058723392582550165967485435489615718934701174382190224751 (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.