Q: Is 266,435 a Prime Number?
A: No, 266,435 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 266435 can be evenly divided by 1 5 13 65 4,099 20,495 53,287 and 266,435, with no remainder.
Since 266,435 cannot be divided by just 1 and 266,435, it is not a prime number.