Q: Is 512,428 a Prime Number?
A: No, 512,428 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 512428 can be evenly divided by 1 2 4 7 14 28 18,301 36,602 73,204 128,107 256,214 and 512,428, with no remainder.
Since 512,428 cannot be divided by just 1 and 512,428, it is not a prime number.