Q: Is 42,523 a Prime Number?
A: No, 42,523 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 42523 can be evenly divided by 1 13 3,271 and 42,523, with no remainder.
Since 42,523 cannot be divided by just 1 and 42,523, it is not a prime number.