Q: Is 71,431 a Prime Number?
A: No, 71,431 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 71431 can be evenly divided by 1 61 1,171 and 71,431, with no remainder.
Since 71,431 cannot be divided by just 1 and 71,431, it is not a prime number.