Q: Is 770,778 a Prime Number?
A: No, 770,778 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 770778 can be evenly divided by 1 2 3 6 9 18 42,821 85,642 128,463 256,926 385,389 and 770,778, with no remainder.
Since 770,778 cannot be divided by just 1 and 770,778, it is not a prime number.