Q: Is 243,904 a Prime Number?
A: No, 243,904 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 243904 can be evenly divided by 1 2 4 8 16 32 37 64 74 103 148 206 296 412 592 824 1,184 1,648 2,368 3,296 3,811 6,592 7,622 15,244 30,488 60,976 121,952 and 243,904, with no remainder.
Since 243,904 cannot be divided by just 1 and 243,904, it is not a prime number.