Q: Is 431,488 a Prime Number?
A: No, 431,488 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 431488 can be evenly divided by 1 2 4 8 16 32 64 128 3,371 6,742 13,484 26,968 53,936 107,872 215,744 and 431,488, with no remainder.
Since 431,488 cannot be divided by just 1 and 431,488, it is not a prime number.