Q: Is 17,728 a Prime Number?
A: No, 17,728 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 17728 can be evenly divided by 1 2 4 8 16 32 64 277 554 1,108 2,216 4,432 8,864 and 17,728, with no remainder.
Since 17,728 cannot be divided by just 1 and 17,728, it is not a prime number.