Q: Is 11,431 a Prime Number?
A: No, 11,431 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 11431 can be evenly divided by 1 7 23 71 161 497 1,633 and 11,431, with no remainder.
Since 11,431 cannot be divided by just 1 and 11,431, it is not a prime number.