Q: Is 768,816 a Prime Number?
A: No, 768,816 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 768816 can be evenly divided by 1 2 3 4 6 8 9 12 16 18 19 24 36 38 48 57 72 76 114 144 152 171 228 281 304 342 456 562 684 843 912 1,124 1,368 1,686 2,248 2,529 2,736 3,372 4,496 5,058 5,339 6,744 10,116 10,678 13,488 16,017 20,232 21,356 32,034 40,464 42,712 48,051 64,068 85,424 96,102 128,136 192,204 256,272 384,408 and 768,816, with no remainder.
Since 768,816 cannot be divided by just 1 and 768,816, it is not a prime number.