Search the dictionary A Chinese word or character, or English Search 4 entries. gōngyuēshù 公约数 common factor gōngyuēshù 公約數 common factor zuìdàgōngyuēshù 最大公约数 highest common factor (HCF) zuìdàgōngyuēshù 最大公約數 highest common factor (HCF)