Solution - Least common multiple (LCM)
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Step by Step Solution
Least Common Multiple is :
42Calculate Least Common Multiple for :
6, 7 and 21
Factorize of the above numbers :
6 = 2 • 3
7 = 7
21 = 3 • 7
Build a prime factors table
| Prime Factor | Number 6 | Number 7 | Number 21 | L.C.M (max) |
|---|---|---|---|---|
| 2 | 1 | 0 | 0 | 1 |
| 3 | 1 | 0 | 1 | 1 |
| 7 | 0 | 1 | 1 | 1 |
LCM = 2 • 3 • 7
Least Common Multiple is :
42How did we do?
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