Q: Is 42,158 a Prime Number?
A: No, 42,158 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 42158 can be evenly divided by 1 2 107 197 214 394 21,079 and 42,158, with no remainder.
Since 42,158 cannot be divided by just 1 and 42,158, it is not a prime number.