Q: Is 4,022,421 a Prime Number?
A: No, 4,022,421 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 4022421 can be evenly divided by 1 3 13 17 39 51 221 663 6,067 18,201 78,871 103,139 236,613 309,417 1,340,807 and 4,022,421, with no remainder.
Since 4,022,421 cannot be divided by just 1 and 4,022,421, it is not a prime number.