Q: Is 1,131,426 a Prime Number?
A: No, 1,131,426 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 1131426 can be evenly divided by 1 2 3 6 9 18 239 263 478 526 717 789 1,434 1,578 2,151 2,367 4,302 4,734 62,857 125,714 188,571 377,142 565,713 and 1,131,426, with no remainder.
Since 1,131,426 cannot be divided by just 1 and 1,131,426, it is not a prime number.