# prime number

noun, Mathematics.
1.
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.
Origin of prime number
1585-1595
1585-95
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for prime-number

## prime number

noun
1.
an integer that cannot be factorized into other integers but is only divisible by itself or 1, such as 2, 3, 5, 7, and 11 Sometimes shortened to prime Compare composite number
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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prime-number in Science
 prime number   A positive integer greater than 1 that can only be divided by itself and 1 without leaving a remainder. Examples of prime numbers are 7, 23, and 67. Compare composite number.
The American Heritage® Science Dictionary
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prime-number in Culture

### prime number 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.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition