Q: Is 776,728 a Prime Number?
A: No, 776,728 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 776728 can be evenly divided by 1 2 4 8 79 158 316 632 1,229 2,458 4,916 9,832 97,091 194,182 388,364 and 776,728, with no remainder.
Since 776,728 cannot be divided by just 1 and 776,728, it is not a prime number.