Q: Is 243,975 a Prime Number?
A: No, 243,975 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 243975 can be evenly divided by 1 3 5 15 25 75 3,253 9,759 16,265 48,795 81,325 and 243,975, with no remainder.
Since 243,975 cannot be divided by just 1 and 243,975, it is not a prime number.