Q: Is 4,222,921 a Prime Number?
A: No, 4,222,921 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 4222921 can be evenly divided by 1 19 37 703 6,007 114,133 222,259 and 4,222,921, with no remainder.
Since 4,222,921 cannot be divided by just 1 and 4,222,921, it is not a prime number.