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