Q: Is 242,538 a Prime Number?
A: No, 242,538 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 242538 can be evenly divided by 1 2 3 6 40,423 80,846 121,269 and 242,538, with no remainder.
Since 242,538 cannot be divided by just 1 and 242,538, it is not a prime number.