Q: Is 4,221,642 a Prime Number?
A: No, 4,221,642 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 4221642 can be evenly divided by 1 2 3 6 31 62 93 186 22,697 45,394 68,091 136,182 703,607 1,407,214 2,110,821 and 4,221,642, with no remainder.
Since 4,221,642 cannot be divided by just 1 and 4,221,642, it is not a prime number.