9 times 13 is 117. In symbols: 9 × 13 = 117, and 13 × 9 = 117 too.
9 × 13 means adding 9 to itself 13 times: that is 13 copies of 9, which add up to 117.
9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99, 108, ... (keep going to the 13th multiple). The 13th multiple of 9 is 117.
9 × 13 = 9 × 10 + 9 × 3 = 90 + 27 = 117.
117 ÷ 9 = 13
117 ÷ 13 = 9
117 is odd. Prime factorization: 3 × 3 × 13.
| Multiplication | Answer |
|---|---|
| 8 × 13 | 104 |
| 10 × 13 | 130 |
| 9 × 12 | 108 |
| 9 × 14 | 126 |
| 9 × 15 | 135 |
| 9 × 11 | 99 |
| 11 × 13 | 143 |
| 7 × 13 | 91 |
See also: factors of 117.
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