Q: Is 23,721 a Prime Number?

A: No, 23,721 is not a prime number.

Why is 23,721 not a prime number?

A prime number is a natural number, greater than one, that can only be divided by 1 and itself.

The number 23721 can be evenly divided by 1 3 7,907 and 23,721, with no remainder.

Since 23,721 cannot be divided by just 1 and 23,721, it is not a prime number.

Number	23,719	23,720	23,722	23,723
Prime?	yes	no	no	no

All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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