Q: Is 243,117 a Prime Number?
A: No, 243,117 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 243117 can be evenly divided by 1 3 7 9 17 21 51 63 119 153 227 357 681 1,071 1,589 2,043 3,859 4,767 11,577 14,301 27,013 34,731 81,039 and 243,117, with no remainder.
Since 243,117 cannot be divided by just 1 and 243,117, it is not a prime number.