Definition of prime number noun from the Oxford Advanced Learner's Dictionary


prime number

BrE BrE//ˌpraɪm ˈnʌmbə(r)//
; NAmE NAmE//ˌpraɪm ˈnʌmbər//
(mathematics) Mathematical terminology
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a number that can be divided exactly only by itself and 1, for example 7, 17 and 41 See related entries: Mathematical terminology
See the Oxford Advanced American Dictionary entry: prime number