Q: Is 328,820 a Prime Number?
A: No, 328,820 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 328820 can be evenly divided by 1 2 4 5 10 20 41 82 164 205 401 410 802 820 1,604 2,005 4,010 8,020 16,441 32,882 65,764 82,205 164,410 and 328,820, with no remainder.
Since 328,820 cannot be divided by just 1 and 328,820, it is not a prime number.