Q: Is 728,115 a Prime Number?
A: No, 728,115 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 728115 can be evenly divided by 1 3 5 15 48,541 145,623 242,705 and 728,115, with no remainder.
Since 728,115 cannot be divided by just 1 and 728,115, it is not a prime number.