Q: Is 73,728 a Prime Number?
A: No, 73,728 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 73728 can be evenly divided by 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 288 384 512 576 768 1,024 1,152 1,536 2,048 2,304 3,072 4,096 4,608 6,144 8,192 9,216 12,288 18,432 24,576 36,864 and 73,728, with no remainder.
Since 73,728 cannot be divided by just 1 and 73,728, it is not a prime number.