Q: Is 266,939 a Prime Number?
A: No, 266,939 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 266939 can be evenly divided by 1 173 1,543 and 266,939, with no remainder.
Since 266,939 cannot be divided by just 1 and 266,939, it is not a prime number.