English version

prime number

From Longman Dictionary of Contemporary English
Related topics: Numbers
prime numberˌprime ˈnumber noun [countable]  HMNa number that can be divided only by itself and the number one. For example, three and seven are prime numbers.
Examples from the Corpus
prime numberA prime number is a number that is not exactly divisible by any other number.If not, a different prime number should be selected and the process repeated.
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