Q: Is 4,214,721 a Prime Number?
A: No, 4,214,721 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 4214721 can be evenly divided by 1 3 7 21 419 479 1,257 1,437 2,933 3,353 8,799 10,059 200,701 602,103 1,404,907 and 4,214,721, with no remainder.
Since 4,214,721 cannot be divided by just 1 and 4,214,721, it is not a prime number.