Q: Is 216,009 a Prime Number?
A: No, 216,009 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 216009 can be evenly divided by 1 3 9 24,001 72,003 and 216,009, with no remainder.
Since 216,009 cannot be divided by just 1 and 216,009, it is not a prime number.