Q: Is 2,421,438 a Prime Number?
A: No, 2,421,438 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 2421438 can be evenly divided by 1 2 3 6 443 886 911 1,329 1,822 2,658 2,733 5,466 403,573 807,146 1,210,719 and 2,421,438, with no remainder.
Since 2,421,438 cannot be divided by just 1 and 2,421,438, it is not a prime number.