Q: Is 120,858 a Prime Number?
A: No, 120,858 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 120858 can be evenly divided by 1 2 3 6 20,143 40,286 60,429 and 120,858, with no remainder.
Since 120,858 cannot be divided by just 1 and 120,858, it is not a prime number.