Q: Is 242,397 a Prime Number?
A: No, 242,397 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 242397 can be evenly divided by 1 3 9 23 69 207 1,171 3,513 10,539 26,933 80,799 and 242,397, with no remainder.
Since 242,397 cannot be divided by just 1 and 242,397, it is not a prime number.