Q: Is 42,639 a Prime Number?
A: No, 42,639 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 42639 can be evenly divided by 1 3 61 183 233 699 14,213 and 42,639, with no remainder.
Since 42,639 cannot be divided by just 1 and 42,639, it is not a prime number.