Q: Is 778,788 a Prime Number?
A: No, 778,788 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 778788 can be evenly divided by 1 2 3 4 6 9 12 18 27 36 54 108 7,211 14,422 21,633 28,844 43,266 64,899 86,532 129,798 194,697 259,596 389,394 and 778,788, with no remainder.
Since 778,788 cannot be divided by just 1 and 778,788, it is not a prime number.