Q: Is 491,670 a Prime Number?
A: No, 491,670 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 491670 can be evenly divided by 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 270 405 607 810 1,214 1,821 3,035 3,642 5,463 6,070 9,105 10,926 16,389 18,210 27,315 32,778 49,167 54,630 81,945 98,334 163,890 245,835 and 491,670, with no remainder.
Since 491,670 cannot be divided by just 1 and 491,670, it is not a prime number.