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Why 1 Is Not A Prime Number? [Solved]
1 can only be divided by one number, 1 itself, so with this definition 1 is not a prime number.
Why 1 is not a Prime number?
1 and Prime Numbers - Numberphile
Is
Is 1 a Prime Number? (Why isn’t 1 Prime?)
Is 1 prime? Is 1 a prime number?
