Q: Is 1,121,243 a Prime Number?
A: No, 1,121,243 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 1121243 can be evenly divided by 1 751 1,493 and 1,121,243, with no remainder.
Since 1,121,243 cannot be divided by just 1 and 1,121,243, it is not a prime number.