Solution - Least common multiple (LCM)
840
Step by Step Solution
Least Common Multiple is :
840Calculate Least Common Multiple for :
15, 21 and 24
Factorize of the above numbers :
15 = 3 • 5
21 = 3 • 7
24 = 23 • 3
Build a prime factors table
| Prime Factor | Number 15 | Number 21 | Number 24 | L.C.M (max) |
|---|---|---|---|---|
| 2 | 0 | 0 | 3 | 3 |
| 3 | 1 | 1 | 1 | 1 |
| 5 | 1 | 0 | 0 | 1 |
| 7 | 0 | 1 | 0 | 1 |
LCM = 23 • 3 • 5 • 7
Least Common Multiple is :
840How did we do?
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