Q: Is 1,407,628 a Prime Number?
A: No, 1,407,628 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 1407628 can be evenly divided by 1 2 4 37 74 148 9,511 19,022 38,044 351,907 703,814 and 1,407,628, with no remainder.
Since 1,407,628 cannot be divided by just 1 and 1,407,628, it is not a prime number.