Q: Is 671,589 a Prime Number?
A: No, 671,589 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 671589 can be evenly divided by 1 3 9 71 213 639 1,051 3,153 9,459 74,621 223,863 and 671,589, with no remainder.
Since 671,589 cannot be divided by just 1 and 671,589, it is not a prime number.