Q: Is 1,378,072 a Prime Number?
A: No, 1,378,072 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 1378072 can be evenly divided by 1 2 4 8 172,259 344,518 689,036 and 1,378,072, with no remainder.
Since 1,378,072 cannot be divided by just 1 and 1,378,072, it is not a prime number.