Q: Is 671,601 a Prime Number?
A: No, 671,601 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 671601 can be evenly divided by 1 3 7 21 31,981 95,943 223,867 and 671,601, with no remainder.
Since 671,601 cannot be divided by just 1 and 671,601, it is not a prime number.