Q: Is 728,142 a Prime Number?
A: No, 728,142 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 728142 can be evenly divided by 1 2 3 6 121,357 242,714 364,071 and 728,142, with no remainder.
Since 728,142 cannot be divided by just 1 and 728,142, it is not a prime number.