Q: Is 777,990 a Prime Number?
A: No, 777,990 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 777990 can be evenly divided by 1 2 3 5 6 10 15 30 25,933 51,866 77,799 129,665 155,598 259,330 388,995 and 777,990, with no remainder.
Since 777,990 cannot be divided by just 1 and 777,990, it is not a prime number.