Q: Is 1,397,824 a Prime Number?
A: No, 1,397,824 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 1397824 can be evenly divided by 1 2 4 8 16 32 64 21,841 43,682 87,364 174,728 349,456 698,912 and 1,397,824, with no remainder.
Since 1,397,824 cannot be divided by just 1 and 1,397,824, it is not a prime number.