Q: Is 125,817 a Prime Number?
A: No, 125,817 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 125817 can be evenly divided by 1 3 17 51 2,467 7,401 41,939 and 125,817, with no remainder.
Since 125,817 cannot be divided by just 1 and 125,817, it is not a prime number.