Q: Is 129,605 a Prime Number?
A: No, 129,605 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 129605 can be evenly divided by 1 5 7 23 35 49 115 161 245 529 805 1,127 2,645 3,703 5,635 18,515 25,921 and 129,605, with no remainder.
Since 129,605 cannot be divided by just 1 and 129,605, it is not a prime number.