Q: Is 400,738 a Prime Number?
A: No, 400,738 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 400738 can be evenly divided by 1 2 13 26 15,413 30,826 200,369 and 400,738, with no remainder.
Since 400,738 cannot be divided by just 1 and 400,738, it is not a prime number.