Q: Is 509,856 a Prime Number?
A: No, 509,856 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 509856 can be evenly divided by 1 2 3 4 6 8 12 16 24 32 47 48 94 96 113 141 188 226 282 339 376 452 564 678 752 904 1,128 1,356 1,504 1,808 2,256 2,712 3,616 4,512 5,311 5,424 10,622 10,848 15,933 21,244 31,866 42,488 63,732 84,976 127,464 169,952 254,928 and 509,856, with no remainder.
Since 509,856 cannot be divided by just 1 and 509,856, it is not a prime number.