Q: Is 671,489 a Prime Number?
A: No, 671,489 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 671489 can be evenly divided by 1 7 13 47 91 157 329 611 1,099 2,041 4,277 7,379 14,287 51,653 95,927 and 671,489, with no remainder.
Since 671,489 cannot be divided by just 1 and 671,489, it is not a prime number.