Q: Is 243,072 a Prime Number?
A: No, 243,072 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 243072 can be evenly divided by 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 211 288 384 422 576 633 844 1,152 1,266 1,688 1,899 2,532 3,376 3,798 5,064 6,752 7,596 10,128 13,504 15,192 20,256 27,008 30,384 40,512 60,768 81,024 121,536 and 243,072, with no remainder.
Since 243,072 cannot be divided by just 1 and 243,072, it is not a prime number.