Solution - Least common multiple (LCM)
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Step by Step Solution
Least Common Multiple is :
126Calculate Least Common Multiple for :
9, 21 and 18
Factorize of the above numbers :
9 = 32
21 = 3 • 7
18 = 2 • 32
Build a prime factors table
| Prime Factor | Number 9 | Number 21 | Number 18 | L.C.M (max) |
|---|---|---|---|---|
| 2 | 0 | 0 | 1 | 1 |
| 3 | 2 | 1 | 2 | 2 |
| 7 | 0 | 1 | 0 | 1 |
LCM = 2 • 32 • 7
Least Common Multiple is :
126How did we do?
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