23 times 23 is 529. In symbols: 23 × 23 = 529 (23 squared).
23 × 23 means adding 23 to itself 23 times: that is 23 copies of 23, which add up to 529.
23, 46, 69, 92, 115, 138, 161, 184, 207, 230, 253, 276, ... (keep going to the 23th multiple). The 23th multiple of 23 is 529.
23 × 23 = 23 × 20 + 23 × 3 = 460 + 69 = 529.
529 ÷ 23 = 23
529 is odd and a perfect square. Prime factorization: 23 × 23.
| Multiplication | Answer |
|---|---|
| 22 × 23 | 506 |
| 23 × 24 | 552 |
| 23 × 25 | 575 |
| 21 × 23 | 483 |
See also: 23 squared.
Other numbers? Browse the multiplication table, the squares and cubes or the exponent calculator.