Q: Is 1,231,443 a Prime Number?
A: No, 1,231,443 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 1231443 can be evenly divided by 1 3 9 23 27 69 81 207 621 661 1,863 1,983 5,949 15,203 17,847 45,609 53,541 136,827 410,481 and 1,231,443, with no remainder.
Since 1,231,443 cannot be divided by just 1 and 1,231,443, it is not a prime number.