Q: Is 138,858 a Prime Number?
A: No, 138,858 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 138858 can be evenly divided by 1 2 3 6 23,143 46,286 69,429 and 138,858, with no remainder.
Since 138,858 cannot be divided by just 1 and 138,858, it is not a prime number.