Q: Is 5,309,431 a Prime Number?
A: No, 5,309,431 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 5309431 can be evenly divided by 1 167 31,793 and 5,309,431, with no remainder.
Since 5,309,431 cannot be divided by just 1 and 5,309,431, it is not a prime number.