Q: Is 1,438,243 a Prime Number?
A: No, 1,438,243 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 1438243 can be evenly divided by 1 19 59 1,121 1,283 24,377 75,697 and 1,438,243, with no remainder.
Since 1,438,243 cannot be divided by just 1 and 1,438,243, it is not a prime number.