Q: Is 1,378,448 a Prime Number?
A: No, 1,378,448 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 1378448 can be evenly divided by 1 2 4 8 16 101 202 404 808 853 1,616 1,706 3,412 6,824 13,648 86,153 172,306 344,612 689,224 and 1,378,448, with no remainder.
Since 1,378,448 cannot be divided by just 1 and 1,378,448, it is not a prime number.