Q: Is 78,542 a Prime Number?
A: No, 78,542 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 78542 can be evenly divided by 1 2 173 227 346 454 39,271 and 78,542, with no remainder.
Since 78,542 cannot be divided by just 1 and 78,542, it is not a prime number.