Q: Is 131,243 a Prime Number?
A: No, 131,243 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 131243 can be evenly divided by 1 7 18,749 and 131,243, with no remainder.
Since 131,243 cannot be divided by just 1 and 131,243, it is not a prime number.