Q: Is 1,131 a Prime Number?
A: No, 1,131 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 1131 can be evenly divided by 1 3 13 29 39 87 377 and 1,131, with no remainder.
Since 1,131 cannot be divided by just 1 and 1,131, it is not a prime number.