Q: Is 800,564 a Prime Number?
A: No, 800,564 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 800564 can be evenly divided by 1 2 4 17 34 61 68 122 193 244 386 772 1,037 2,074 3,281 4,148 6,562 11,773 13,124 23,546 47,092 200,141 400,282 and 800,564, with no remainder.
Since 800,564 cannot be divided by just 1 and 800,564, it is not a prime number.