Q: Is 42,135 a Prime Number?
A: No, 42,135 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 42135 can be evenly divided by 1 3 5 15 53 159 265 795 2,809 8,427 14,045 and 42,135, with no remainder.
Since 42,135 cannot be divided by just 1 and 42,135, it is not a prime number.