Q: Is 328,609 a Prime Number?
A: No, 328,609 is 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 328609 can be evenly divided by 1 347 947 and 328,609, with no remainder.
Since 328,609 cannot be divided by just 1 and 328,609, it is not a prime number.