Q: Is 328,580 a Prime Number?
A: No, 328,580 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 328580 can be evenly divided by 1 2 4 5 7 10 14 20 28 35 70 140 2,347 4,694 9,388 11,735 16,429 23,470 32,858 46,940 65,716 82,145 164,290 and 328,580, with no remainder.
Since 328,580 cannot be divided by just 1 and 328,580, it is not a prime number.