Q: Is 17,445 a Prime Number?

A: No, 17,445 is not a prime number.

Why is 17,445 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 17445 can be evenly divided by 1 3 5 15 1,163 3,489 5,815 and 17,445, with no remainder.

Since 17,445 cannot be divided by just 1 and 17,445, it is not a prime number.

Number	17,443	17,444	17,446	17,447
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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