Q: Is 778,830 a Prime Number?
A: No, 778,830 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 778830 can be evenly divided by 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 1,997 3,994 5,991 9,985 11,982 19,970 25,961 29,955 51,922 59,910 77,883 129,805 155,766 259,610 389,415 and 778,830, with no remainder.
Since 778,830 cannot be divided by just 1 and 778,830, it is not a prime number.