Solution - Least common multiple (LCM)
1,155
Step by Step Solution
Least Common Multiple is :
1155Calculate Least Common Multiple for :
21, 35 and 55
Factorize of the above numbers :
21 = 3 • 7
35 = 5 • 7
55 = 5 • 11
Build a prime factors table
| Prime Factor | Number 21 | Number 35 | Number 55 | L.C.M (max) |
|---|---|---|---|---|
| 3 | 1 | 0 | 0 | 1 |
| 5 | 0 | 1 | 1 | 1 |
| 7 | 1 | 1 | 0 | 1 |
| 11 | 0 | 0 | 1 | 1 |
LCM = 3 • 5 • 7 • 11
Least Common Multiple is :
1155How did we do?
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