Least common multiple
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The least common multiple (LCM) or its logarithm (for example log2) can be used as a dissonance measure for intervals and chords.
Examples
| Interval/chord | LCM |
|---|---|
| 7:5 | 35 |
| 8:5 | 40 |
| 5:6:7 | 210 |
| 6:7:8 | 168 |