Q: Is 8,378,420 a Prime Number?
A: No, 8,378,420 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 8378420 can be evenly divided by 1 2 4 5 10 20 418,921 837,842 1,675,684 2,094,605 4,189,210 and 8,378,420, with no remainder.
Since 8,378,420 cannot be divided by just 1 and 8,378,420, it is not a prime number.