Q: Is 105,431 a Prime Number?
A: No, 105,431 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 105431 can be evenly divided by 1 19 31 179 589 3,401 5,549 and 105,431, with no remainder.
Since 105,431 cannot be divided by just 1 and 105,431, it is not a prime number.