Q: Is 9,990 a Prime Number?
A: No, 9,990 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 9990 can be evenly divided by 1 2 3 5 6 9 10 15 18 27 30 37 45 54 74 90 111 135 185 222 270 333 370 555 666 999 1,110 1,665 1,998 3,330 4,995 and 9,990, with no remainder.
Since 9,990 cannot be divided by just 1 and 9,990, it is not a prime number.