Q: Is 216,495 a Prime Number?
A: No, 216,495 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 216495 can be evenly divided by 1 3 5 9 15 17 45 51 85 153 255 283 765 849 1,415 2,547 4,245 4,811 12,735 14,433 24,055 43,299 72,165 and 216,495, with no remainder.
Since 216,495 cannot be divided by just 1 and 216,495, it is not a prime number.