Q: Is 779,856 a Prime Number?
A: No, 779,856 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 779856 can be evenly divided by 1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 33 42 44 48 56 66 77 84 88 112 132 154 168 176 211 231 264 308 336 422 462 528 616 633 844 924 1,232 1,266 1,477 1,688 1,848 2,321 2,532 2,954 3,376 3,696 4,431 4,642 5,064 5,908 6,963 8,862 9,284 10,128 11,816 13,926 16,247 17,724 18,568 23,632 27,852 32,494 35,448 37,136 48,741 55,704 64,988 70,896 97,482 111,408 129,976 194,964 259,952 389,928 and 779,856, with no remainder.
Since 779,856 cannot be divided by just 1 and 779,856, it is not a prime number.