Solution - Least common multiple (LCM)
1,365
Step by Step Solution
Least Common Multiple is :
1365Calculate Least Common Multiple for :
13, 15 and 21
Factorize of the above numbers :
13 = 13
15 = 3 • 5
21 = 3 • 7
Build a prime factors table
| Prime Factor | Number 13 | Number 15 | Number 21 | L.C.M (max) |
|---|---|---|---|---|
| 3 | 0 | 1 | 1 | 1 |
| 5 | 0 | 1 | 0 | 1 |
| 7 | 0 | 0 | 1 | 1 |
| 13 | 1 | 0 | 0 | 1 |
LCM = 3 • 5 • 7 • 13
Least Common Multiple is :
1365How did we do?
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