Q: Is 778,259 a Prime Number?
A: No, 778,259 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 778259 can be evenly divided by 1 19 40,961 and 778,259, with no remainder.
Since 778,259 cannot be divided by just 1 and 778,259, it is not a prime number.