Q: Is 778,616 a Prime Number?
A: No, 778,616 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 778616 can be evenly divided by 1 2 4 8 97,327 194,654 389,308 and 778,616, with no remainder.
Since 778,616 cannot be divided by just 1 and 778,616, it is not a prime number.