Solution - Least common multiple (LCM)
17,640
Step by Step Solution
Least Common Multiple is :
17640Calculate Least Common Multiple for :
49, 45 and 72
Factorize of the above numbers :
49 = 72
45 = 32 • 5
72 = 23 • 32
Build a prime factors table
| Prime Factor | Number 49 | Number 45 | Number 72 | L.C.M (max) |
|---|---|---|---|---|
| 2 | 0 | 0 | 3 | 3 |
| 3 | 0 | 2 | 2 | 2 |
| 5 | 0 | 1 | 0 | 1 |
| 7 | 2 | 0 | 0 | 2 |
LCM = 23 • 32 • 5 • 72
Least Common Multiple is :
17640How did we do?
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