Q: Is 243,522 a Prime Number?
A: No, 243,522 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 243522 can be evenly divided by 1 2 3 6 9 18 83 163 166 249 326 489 498 747 978 1,467 1,494 2,934 13,529 27,058 40,587 81,174 121,761 and 243,522, with no remainder.
Since 243,522 cannot be divided by just 1 and 243,522, it is not a prime number.