Q: Is 42,309 a Prime Number?
A: No, 42,309 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 42309 can be evenly divided by 1 3 9 27 1,567 4,701 14,103 and 42,309, with no remainder.
Since 42,309 cannot be divided by just 1 and 42,309, it is not a prime number.