Q: Is 129,855 a Prime Number?
A: No, 129,855 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 129855 can be evenly divided by 1 3 5 11 15 33 55 165 787 2,361 3,935 8,657 11,805 25,971 43,285 and 129,855, with no remainder.
Since 129,855 cannot be divided by just 1 and 129,855, it is not a prime number.