Q: Is 671 a Prime Number?
A: No, 671 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 671 can be evenly divided by 1 11 61 and 671, with no remainder.
Since 671 cannot be divided by just 1 and 671, it is not a prime number.