Q: Is 778,313 a Prime Number?
A: Yes, 778,313 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 778313 can be evenly divided by 1 and 778,313, with no remainder.
Since 778,313 can be divided by just 1 and 778,313, it is a prime number.