Q: Is 243,523 a Prime Number?
A: No, 243,523 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 243523 can be evenly divided by 1 7 19 133 1,831 12,817 34,789 and 243,523, with no remainder.
Since 243,523 cannot be divided by just 1 and 243,523, it is not a prime number.