- prime number
__noun__an integer that has no integral factors but itself and 1•__Hypernyms__: ↑prime, ↑prime quantity* * *

*noun***:**an integer other than 0 or ±1 that is not divisible without remainder by any other integers except ±1 and ± the integer itself* * *

*Math.*a positive integer that is not divisible without remainder by any integer except itself and 1, with 1 often excluded:*The integers 2, 3, 5, and 7 are prime numbers.*Also called**prime**.[1585-95]* * *

**prime number**nounA number, other than one, divisible only by itself or unity• • •Main Entry: ↑prime* * *

a number that can only be divided exactly by itself and the number 1, for example 7__Thesaurus:__numbers and types of number_{hyponym}* * *

**prime number**,a whole number that cannot be divided without a remainder by any whole number except itself and 1; prime. 2, 3, 5, 7 are prime numbers; 4, 6, 9 are composite numbers.* * *

__noun__,__pl__**⋯ -bers**[__count__]* * *

a number that can be divided exactly only by itself and 1, for example 7, 17 and 41

*Useful english dictionary.
2012.*