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prime number
noun
Any natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers.
"The fundamental theorem of arithmetic states that every natural number greater than 1 can be factorized into prime numbers in a way that is unique up to the order in which the factors are written."
Any natural number (including 1) that is divisible only by itself and 1.
Synonymsprime
Antonymscomposite number
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