Solution - Least common multiple (LCM)
252
Step by Step Solution
Least Common Multiple is :
252Calculate Least Common Multiple for :
12, 18 and 21
Factorize of the above numbers :
12 = 22 • 3
18 = 2 • 32
21 = 3 • 7
Build a prime factors table
| Prime Factor | Number 12 | Number 18 | Number 21 | L.C.M (max) |
|---|---|---|---|---|
| 2 | 2 | 1 | 0 | 2 |
| 3 | 1 | 2 | 1 | 2 |
| 7 | 0 | 0 | 1 | 1 |
LCM = 22 • 32 • 7
Least Common Multiple is :
252How did we do?
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