Q: Is 512,555 a Prime Number?
A: No, 512,555 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 512555 can be evenly divided by 1 5 23 115 4,457 22,285 102,511 and 512,555, with no remainder.
Since 512,555 cannot be divided by just 1 and 512,555, it is not a prime number.