Q: Is 4,218,637 a Prime Number?
A: No, 4,218,637 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 4218637 can be evenly divided by 1 23 149 1,231 3,427 28,313 183,419 and 4,218,637, with no remainder.
Since 4,218,637 cannot be divided by just 1 and 4,218,637, it is not a prime number.