Q: Is 266,501 a Prime Number?
A: No, 266,501 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 266501 can be evenly divided by 1 23 11,587 and 266,501, with no remainder.
Since 266,501 cannot be divided by just 1 and 266,501, it is not a prime number.