Q: Is 671,606 a Prime Number?
A: No, 671,606 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 671606 can be evenly divided by 1 2 13 26 169 338 1,987 3,974 25,831 51,662 335,803 and 671,606, with no remainder.
Since 671,606 cannot be divided by just 1 and 671,606, it is not a prime number.