Q: Is 216,801 a Prime Number?
A: No, 216,801 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 216801 can be evenly divided by 1 3 9 13 17 39 51 109 117 153 221 327 663 981 1,417 1,853 1,989 4,251 5,559 12,753 16,677 24,089 72,267 and 216,801, with no remainder.
Since 216,801 cannot be divided by just 1 and 216,801, it is not a prime number.