Q: Is 133,805 a Prime Number?
A: No, 133,805 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 133805 can be evenly divided by 1 5 7 35 3,823 19,115 26,761 and 133,805, with no remainder.
Since 133,805 cannot be divided by just 1 and 133,805, it is not a prime number.