Q: Is 485,431 a Prime Number?
A: No, 485,431 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 485431 can be evenly divided by 1 19 29 551 881 16,739 25,549 and 485,431, with no remainder.
Since 485,431 cannot be divided by just 1 and 485,431, it is not a prime number.