Q: Is 133,981 a Prime Number?
A: Yes, 133,981 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 133981 can be evenly divided by 1 and 133,981, with no remainder.
Since 133,981 can be divided by just 1 and 133,981, it is a prime number.