Q: Is 266,685 a Prime Number?
A: No, 266,685 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 266685 can be evenly divided by 1 3 5 15 23 69 115 345 773 2,319 3,865 11,595 17,779 53,337 88,895 and 266,685, with no remainder.
Since 266,685 cannot be divided by just 1 and 266,685, it is not a prime number.