Q: Is 512,431 a Prime Number?
A: No, 512,431 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 512431 can be evenly divided by 1 17 43 701 731 11,917 30,143 and 512,431, with no remainder.
Since 512,431 cannot be divided by just 1 and 512,431, it is not a prime number.