Q: Is 40,858 a Prime Number?
A: No, 40,858 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 40858 can be evenly divided by 1 2 31 62 659 1,318 20,429 and 40,858, with no remainder.
Since 40,858 cannot be divided by just 1 and 40,858, it is not a prime number.