Q: Is 242,403 a Prime Number?
A: No, 242,403 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 242403 can be evenly divided by 1 3 7 17 21 49 51 97 119 147 291 357 679 833 1,649 2,037 2,499 4,753 4,947 11,543 14,259 34,629 80,801 and 242,403, with no remainder.
Since 242,403 cannot be divided by just 1 and 242,403, it is not a prime number.