Solution - Least common multiple (LCM)
2,142
Step by Step Solution
Least Common Multiple is :
2142Calculate Least Common Multiple for :
17, 18 and 21
Factorize of the above numbers :
17 = 17
18 = 2 • 32
21 = 3 • 7
Build a prime factors table
| Prime Factor | Number 17 | Number 18 | Number 21 | L.C.M (max) |
|---|---|---|---|---|
| 2 | 0 | 1 | 0 | 1 |
| 3 | 0 | 2 | 1 | 2 |
| 7 | 0 | 0 | 1 | 1 |
| 17 | 1 | 0 | 0 | 1 |
LCM = 2 • 32 • 7 • 17
Least Common Multiple is :
2142How did we do?
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