Q: Is 9,645 a Prime Number?

A: No, 9,645 is not a prime number.

Why is 9,645 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 9645 can be evenly divided by 1 3 5 15 643 1,929 3,215 and 9,645, with no remainder.

Since 9,645 cannot be divided by just 1 and 9,645, it is not a prime number.

Number	9,643	9,644	9,646	9,647
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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