梅森素數 Save Sign in to save words Simplified: 梅森素数 méisēnsùshù ㄇㄟˊ ㄙㄣ ㄙㄨˋ ㄕㄨˋ Mersenne prime number (math.) Character by character 梅(méi)surname Mei 森(sēn)Mori 素(sù)raw silk 數(shù)number A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0