- The definition of a prime number is a number that can only be evenly divided by 1 and itself.
An example of a prime number is the number 13, since it is evenly divisible only by 1 and 13.
prime number definition by Webster's New World
prime number definition by American Heritage Dictionary
prime number - Computer Definition
An integer greater than 1 that is not evenly divisible by any number other than itself, and, of course, 1. Prime numbers are considered a fundamental building block of numbers, especially number theory, a branch of mathematics. The first 10 prime numbers are 2, 3, 5, 7, 11, 13, 17, 19, 23 and 29. Except for 2, all primes are odd numbers. As the numbers get higher, prime numbers tend to be found in pairs that are close together; for example, 29,669 and 29,671 are primes. The largest prime number thus far, which contains more than 65,000 digits, was discovered in 1986.
prime number - Cultural Definition
A number that cannot be divided evenly by any other number except itself and the number one; 1, 3, 5, 7, and 11 are prime numbers.