Q: Is 345,609 a Prime Number?

A: No, 345,609 is not a prime number.

Why is 345,609 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 345609 can be evenly divided by 1 3 9 11 33 99 3,491 10,473 31,419 38,401 115,203 and 345,609, with no remainder.

Since 345,609 cannot be divided by just 1 and 345,609, it is not a prime number.

Number	345,607	345,608	345,610	345,611
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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