Q: Is 42,571 a Prime Number?
A: Yes, 42,571 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 42571 can be evenly divided by 1 and 42,571, with no remainder.
Since 42,571 can be divided by just 1 and 42,571, it is a prime number.