Q: Is 131,691 a Prime Number?
A: No, 131,691 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 131691 can be evenly divided by 1 3 7 21 6,271 18,813 43,897 and 131,691, with no remainder.
Since 131,691 cannot be divided by just 1 and 131,691, it is not a prime number.