質因數 Save Sign in to save words Simplified: 质因数 zhìyīnshù ㄓˋ ㄧㄣ ㄕㄨˋ prime factor (in arithmetic) Character by character 質(zhì)character 因(yīn)cause 數(shù)number A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0