Q: Is 4,642,218 a Prime Number?
A: No, 4,642,218 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 4642218 can be evenly divided by 1 2 3 6 7 9 14 18 21 27 42 54 63 126 189 378 12,281 24,562 36,843 73,686 85,967 110,529 171,934 221,058 257,901 331,587 515,802 663,174 773,703 1,547,406 2,321,109 and 4,642,218, with no remainder.
Since 4,642,218 cannot be divided by just 1 and 4,642,218, it is not a prime number.