Q: Is 216,990 a Prime Number?
A: No, 216,990 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 216990 can be evenly divided by 1 2 3 5 6 9 10 15 18 30 45 90 2,411 4,822 7,233 12,055 14,466 21,699 24,110 36,165 43,398 72,330 108,495 and 216,990, with no remainder.
Since 216,990 cannot be divided by just 1 and 216,990, it is not a prime number.