Q: Is 42,668 a Prime Number?
A: No, 42,668 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 42668 can be evenly divided by 1 2 4 10,667 21,334 and 42,668, with no remainder.
Since 42,668 cannot be divided by just 1 and 42,668, it is not a prime number.