Q: Is 243,501 a Prime Number?
A: No, 243,501 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 243501 can be evenly divided by 1 3 23 69 3,529 10,587 81,167 and 243,501, with no remainder.
Since 243,501 cannot be divided by just 1 and 243,501, it is not a prime number.