Q: Is 505,568 a Prime Number?
A: No, 505,568 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 505568 can be evenly divided by 1 2 4 7 8 14 16 28 32 37 56 61 74 112 122 148 224 244 259 296 427 488 518 592 854 976 1,036 1,184 1,708 1,952 2,072 2,257 3,416 4,144 4,514 6,832 8,288 9,028 13,664 15,799 18,056 31,598 36,112 63,196 72,224 126,392 252,784 and 505,568, with no remainder.
Since 505,568 cannot be divided by just 1 and 505,568, it is not a prime number.