Q: Is 671,318 a Prime Number?
A: No, 671,318 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 671318 can be evenly divided by 1 2 107 214 3,137 6,274 335,659 and 671,318, with no remainder.
Since 671,318 cannot be divided by just 1 and 671,318, it is not a prime number.