Q: Is 4,078,602 a Prime Number?
A: No, 4,078,602 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 4078602 can be evenly divided by 1 2 3 6 9 11 18 22 33 66 99 198 20,599 41,198 61,797 123,594 185,391 226,589 370,782 453,178 679,767 1,359,534 2,039,301 and 4,078,602, with no remainder.
Since 4,078,602 cannot be divided by just 1 and 4,078,602, it is not a prime number.