Q: Is 1,000,856 a Prime Number?
A: No, 1,000,856 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 1000856 can be evenly divided by 1 2 4 8 125,107 250,214 500,428 and 1,000,856, with no remainder.
Since 1,000,856 cannot be divided by just 1 and 1,000,856, it is not a prime number.