Q: Is 67,991 a Prime Number?
A: No, 67,991 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 67991 can be evenly divided by 1 7 11 77 883 6,181 9,713 and 67,991, with no remainder.
Since 67,991 cannot be divided by just 1 and 67,991, it is not a prime number.