Solution - Least common multiple (LCM)
168
Step by Step Solution
Least Common Multiple is :
168Calculate Least Common Multiple for :
28, 42 and 56
Factorize of the above numbers :
28 = 22 • 7
42 = 2 • 3 • 7
56 = 23 • 7
Build a prime factors table
| Prime Factor | Number 28 | Number 42 | Number 56 | L.C.M (max) |
|---|---|---|---|---|
| 2 | 2 | 1 | 3 | 3 |
| 3 | 0 | 1 | 0 | 1 |
| 7 | 1 | 1 | 1 | 1 |
LCM = 23 • 3 • 7
Least Common Multiple is :
168How did we do?
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