Q: Is 777,768 a Prime Number?
A: No, 777,768 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 777768 can be evenly divided by 1 2 3 4 6 8 12 23 24 46 69 92 138 184 276 552 1,409 2,818 4,227 5,636 8,454 11,272 16,908 32,407 33,816 64,814 97,221 129,628 194,442 259,256 388,884 and 777,768, with no remainder.
Since 777,768 cannot be divided by just 1 and 777,768, it is not a prime number.