Q: Is 671,804 a Prime Number?
A: No, 671,804 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 671804 can be evenly divided by 1 2 4 7 14 28 23,993 47,986 95,972 167,951 335,902 and 671,804, with no remainder.
Since 671,804 cannot be divided by just 1 and 671,804, it is not a prime number.