Q: Is 242,555 a Prime Number?
A: No, 242,555 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 242555 can be evenly divided by 1 5 139 349 695 1,745 48,511 and 242,555, with no remainder.
Since 242,555 cannot be divided by just 1 and 242,555, it is not a prime number.