Q: Is 491,985 a Prime Number?
A: No, 491,985 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 491985 can be evenly divided by 1 3 5 9 13 15 29 39 45 65 87 117 145 195 261 377 435 585 841 1,131 1,305 1,885 2,523 3,393 4,205 5,655 7,569 10,933 12,615 16,965 32,799 37,845 54,665 98,397 163,995 and 491,985, with no remainder.
Since 491,985 cannot be divided by just 1 and 491,985, it is not a prime number.