Q: Is 243,942 a Prime Number?
A: No, 243,942 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 243942 can be evenly divided by 1 2 3 6 109 218 327 373 654 746 1,119 2,238 40,657 81,314 121,971 and 243,942, with no remainder.
Since 243,942 cannot be divided by just 1 and 243,942, it is not a prime number.