Q: Is 3,220,428 a Prime Number?
A: No, 3,220,428 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 3220428 can be evenly divided by 1 2 3 4 6 12 167 334 501 668 1,002 1,607 2,004 3,214 4,821 6,428 9,642 19,284 268,369 536,738 805,107 1,073,476 1,610,214 and 3,220,428, with no remainder.
Since 3,220,428 cannot be divided by just 1 and 3,220,428, it is not a prime number.