Q: Is 42,165 a Prime Number?
A: No, 42,165 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 42165 can be evenly divided by 1 3 5 9 15 45 937 2,811 4,685 8,433 14,055 and 42,165, with no remainder.
Since 42,165 cannot be divided by just 1 and 42,165, it is not a prime number.