Q: Is 1,399,824 a Prime Number?
A: No, 1,399,824 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 1399824 can be evenly divided by 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 9,721 19,442 29,163 38,884 58,326 77,768 87,489 116,652 155,536 174,978 233,304 349,956 466,608 699,912 and 1,399,824, with no remainder.
Since 1,399,824 cannot be divided by just 1 and 1,399,824, it is not a prime number.