Q: Is 243,738 a Prime Number?
A: No, 243,738 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 243738 can be evenly divided by 1 2 3 6 9 11 18 22 33 66 99 198 1,231 2,462 3,693 7,386 11,079 13,541 22,158 27,082 40,623 81,246 121,869 and 243,738, with no remainder.
Since 243,738 cannot be divided by just 1 and 243,738, it is not a prime number.