Q: Is 845,564 a Prime Number?
A: No, 845,564 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 845564 can be evenly divided by 1 2 4 137 274 548 1,543 3,086 6,172 211,391 422,782 and 845,564, with no remainder.
Since 845,564 cannot be divided by just 1 and 845,564, it is not a prime number.