Q: Is 779,540 a Prime Number?
A: No, 779,540 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 779540 can be evenly divided by 1 2 4 5 10 20 38,977 77,954 155,908 194,885 389,770 and 779,540, with no remainder.
Since 779,540 cannot be divided by just 1 and 779,540, it is not a prime number.