Q: Is 491,673 a Prime Number?
A: No, 491,673 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 491673 can be evenly divided by 1 3 7 13 21 39 91 273 1,801 5,403 12,607 23,413 37,821 70,239 163,891 and 491,673, with no remainder.
Since 491,673 cannot be divided by just 1 and 491,673, it is not a prime number.