Q: Is 778,604 a Prime Number?
A: No, 778,604 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 778604 can be evenly divided by 1 2 4 61 122 244 3,191 6,382 12,764 194,651 389,302 and 778,604, with no remainder.
Since 778,604 cannot be divided by just 1 and 778,604, it is not a prime number.