Q: Is 266,617 a Prime Number?
A: No, 266,617 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 266617 can be evenly divided by 1 13 20,509 and 266,617, with no remainder.
Since 266,617 cannot be divided by just 1 and 266,617, it is not a prime number.