Q: Is 13,403 a Prime Number?

A: No, 13,403 is not a prime number.

Why is 13,403 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 13403 can be evenly divided by 1 13 1,031 and 13,403, with no remainder.

Since 13,403 cannot be divided by just 1 and 13,403, it is not a prime number.

Number	13,401	13,402	13,404	13,405
Prime?	no	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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