Q: Is 4,223,789 a Prime Number?
A: No, 4,223,789 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 4223789 can be evenly divided by 1 23 227 809 5,221 18,607 183,643 and 4,223,789, with no remainder.
Since 4,223,789 cannot be divided by just 1 and 4,223,789, it is not a prime number.