Q: Is 506,656 a Prime Number?
A: No, 506,656 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 506656 can be evenly divided by 1 2 4 8 16 32 71 142 223 284 446 568 892 1,136 1,784 2,272 3,568 7,136 15,833 31,666 63,332 126,664 253,328 and 506,656, with no remainder.
Since 506,656 cannot be divided by just 1 and 506,656, it is not a prime number.