Q: Is 266,839 a Prime Number?
A: Yes, 266,839 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 266839 can be evenly divided by 1 and 266,839, with no remainder.
Since 266,839 can be divided by just 1 and 266,839, it is a prime number.