Solution - Least common multiple (LCM)
3,420
Step by Step Solution
Least Common Multiple is :
3420Calculate Least Common Multiple for :
18, 19 and 20
Factorize of the above numbers :
18 = 2 • 32
19 = 19
20 = 22 • 5
Build a prime factors table
| Prime Factor | Number 18 | Number 19 | Number 20 | L.C.M (max) |
|---|---|---|---|---|
| 2 | 1 | 0 | 2 | 2 |
| 3 | 2 | 0 | 0 | 2 |
| 5 | 0 | 0 | 1 | 1 |
| 19 | 0 | 1 | 0 | 1 |
LCM = 22 • 32 • 5 • 19
Least Common Multiple is :
3420How did we do?
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