US also dividable [adjective] [not gradable]A prime number is a whole number greater than 1 which is exactly divisible by itself and 1 but no other number.5 is divisible by 5 and 1.2 is divisible into 10 five times.
DIVISIBLE
Meaning of DIVISIBLE in English
Cambridge English vocab. Кембриджский английский словарь. 2012