Q: Is 4,021,218 a Prime Number?
A: No, 4,021,218 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 4021218 can be evenly divided by 1 2 3 6 9 18 27 54 113 226 339 659 678 1,017 1,318 1,977 2,034 3,051 3,954 5,931 6,102 11,862 17,793 35,586 74,467 148,934 223,401 446,802 670,203 1,340,406 2,010,609 and 4,021,218, with no remainder.
Since 4,021,218 cannot be divided by just 1 and 4,021,218, it is not a prime number.