Q: Is 42,170 a Prime Number?
A: No, 42,170 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 42170 can be evenly divided by 1 2 5 10 4,217 8,434 21,085 and 42,170, with no remainder.
Since 42,170 cannot be divided by just 1 and 42,170, it is not a prime number.