Q: Is 217,965 a Prime Number?
A: No, 217,965 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 217965 can be evenly divided by 1 3 5 11 15 33 55 165 1,321 3,963 6,605 14,531 19,815 43,593 72,655 and 217,965, with no remainder.
Since 217,965 cannot be divided by just 1 and 217,965, it is not a prime number.