999 multiplied by 991 is 990009
999 × 991 = 990009
Explanation: Multiplication is repeated addition. So, 999 × 991 means adding 999, 991 times:
999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 + 999 = 990009
Word Problem Style
If you have 991 boxes and each box contains 999 apples, then the total number of apples is 990009.
Quick Facts
- 999 is called the multiplicand.
- 991 is called the multiplier.
- The result, 990009, is called the product.
Multiplication Table for 999
| 999 × N | Result |
|---|---|
| 999 × 1 | 999 |
| 999 × 2 | 1998 |
| 999 × 3 | 2997 |
| 999 × 4 | 3996 |
| 999 × 5 | 4995 |
| 999 × 6 | 5994 |
| 999 × 7 | 6993 |
| 999 × 8 | 7992 |
| 999 × 9 | 8991 |
| 999 × 10 | 9990 |
| 999 × 11 | 10989 |
| 999 × 12 | 11988 |