Q: Is 247,808 a Prime Number?
A: No, 247,808 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 247808 can be evenly divided by 1 2 4 8 11 16 22 32 44 64 88 121 128 176 242 256 352 484 512 704 968 1,024 1,408 1,936 2,048 2,816 3,872 5,632 7,744 11,264 15,488 22,528 30,976 61,952 123,904 and 247,808, with no remainder.
Since 247,808 cannot be divided by just 1 and 247,808, it is not a prime number.