Q: Is 206,840 a Prime Number?
A: No, 206,840 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 206840 can be evenly divided by 1 2 4 5 8 10 20 40 5,171 10,342 20,684 25,855 41,368 51,710 103,420 and 206,840, with no remainder.
Since 206,840 cannot be divided by just 1 and 206,840, it is not a prime number.