Q: Is 256,512 a Prime Number?
A: No, 256,512 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 256512 can be evenly divided by 1 2 3 4 6 8 12 16 24 32 48 64 96 128 167 192 256 334 384 501 512 668 768 1,002 1,336 1,536 2,004 2,672 4,008 5,344 8,016 10,688 16,032 21,376 32,064 42,752 64,128 85,504 128,256 and 256,512, with no remainder.
Since 256,512 cannot be divided by just 1 and 256,512, it is not a prime number.