Q: Is 129,578 a Prime Number?
A: No, 129,578 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 129578 can be evenly divided by 1 2 67 134 967 1,934 64,789 and 129,578, with no remainder.
Since 129,578 cannot be divided by just 1 and 129,578, it is not a prime number.