Q: Is 328,321 a Prime Number?
A: No, 328,321 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 328321 can be evenly divided by 1 7 17 31 89 119 217 527 623 1,513 2,759 3,689 10,591 19,313 46,903 and 328,321, with no remainder.
Since 328,321 cannot be divided by just 1 and 328,321, it is not a prime number.