Q: Is 756,728 a Prime Number?
A: No, 756,728 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 756728 can be evenly divided by 1 2 4 7 8 14 28 56 13,513 27,026 54,052 94,591 108,104 189,182 378,364 and 756,728, with no remainder.
Since 756,728 cannot be divided by just 1 and 756,728, it is not a prime number.