Q: Is 266,609 a Prime Number?
A: No, 266,609 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 266609 can be evenly divided by 1 7 49 5,441 38,087 and 266,609, with no remainder.
Since 266,609 cannot be divided by just 1 and 266,609, it is not a prime number.