Q: Is 1,397,628 a Prime Number?
A: No, 1,397,628 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 1397628 can be evenly divided by 1 2 3 4 6 9 12 18 27 36 54 108 12,941 25,882 38,823 51,764 77,646 116,469 155,292 232,938 349,407 465,876 698,814 and 1,397,628, with no remainder.
Since 1,397,628 cannot be divided by just 1 and 1,397,628, it is not a prime number.