Q: Is 491,178 a Prime Number?
A: No, 491,178 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 491178 can be evenly divided by 1 2 3 6 71 142 213 426 1,153 2,306 3,459 6,918 81,863 163,726 245,589 and 491,178, with no remainder.
Since 491,178 cannot be divided by just 1 and 491,178, it is not a prime number.