Here is the complete table of cube numbers from 1 to 25 (1³ to 25³). Memorizing cubes up to at least 15 is essential for Class 8 Maths, competitive exams like SSC, and fast mental calculation.
A perfect cube is a number that equals n³ for some integer n. To check if a number is a perfect cube, find its prime factorisation — each prime must appear in groups of 3. Example: 216 = 2³ × 3³ — perfect cube (∛216 = 6).
| n | n³ |
|---|---|
| 1 | 1 |
| 2 | 8 |
| 3 | 27 |
| 4 | 64 |
| 5 | 125 |
| 6 | 216 |
| 7 | 343 |
| 8 | 512 |
| 9 | 729 |
| 10 | 1,000 |
| n | n³ |
|---|---|
| 11 | 1,331 |
| 12 | 1,728 |
| 13 | 2,197 |
| 14 | 2,744 |
| 15 | 3,375 |
| 16 | 4,096 |
| 17 | 4,913 |
| 18 | 5,832 |
| 19 | 6,859 |
| 20 | 8,000 |
| n | n³ |
|---|---|
| 21 | 9,261 |
| 22 | 10,648 |
| 23 | 12,167 |
| 24 | 13,824 |
| 25 | 15,625 |
∛1331 = **11**, because 11³ = 11×11×11 = 121×11 = 1331.
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