A Prime number is a positive whole number (a positive integer) that has exactly two unique positive divisors, 1 and the number itself.
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a prime square
No, you can apply any mathematical operation to a prime number.
23 is a prime number.
it's prime
One mathematical fact about number 23 is that number 23 is an odd number. Another mathematical fact about number 23 is that number 23 is prime number.