Q: Is 216,825 a Prime Number?
A: No, 216,825 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 216825 can be evenly divided by 1 3 5 7 15 21 25 35 49 59 75 105 147 175 177 245 295 413 525 735 885 1,225 1,239 1,475 2,065 2,891 3,675 4,425 6,195 8,673 10,325 14,455 30,975 43,365 72,275 and 216,825, with no remainder.
Since 216,825 cannot be divided by just 1 and 216,825, it is not a prime number.