Q: Is 1,138,443 a Prime Number?
A: No, 1,138,443 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 1138443 can be evenly divided by 1 3 61 183 6,221 18,663 379,481 and 1,138,443, with no remainder.
Since 1,138,443 cannot be divided by just 1 and 1,138,443, it is not a prime number.