Q: Is 671,841 a Prime Number?
A: No, 671,841 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 671841 can be evenly divided by 1 3 9 27 149 167 447 501 1,341 1,503 4,023 4,509 24,883 74,649 223,947 and 671,841, with no remainder.
Since 671,841 cannot be divided by just 1 and 671,841, it is not a prime number.