Q: Is 216,215 a Prime Number?
A: No, 216,215 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 216215 can be evenly divided by 1 5 83 415 521 2,605 43,243 and 216,215, with no remainder.
Since 216,215 cannot be divided by just 1 and 216,215, it is not a prime number.