Q: Is 1,378,264 a Prime Number?
A: No, 1,378,264 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 1378264 can be evenly divided by 1 2 4 8 172,283 344,566 689,132 and 1,378,264, with no remainder.
Since 1,378,264 cannot be divided by just 1 and 1,378,264, it is not a prime number.