Solution - Least common multiple (LCM)
1,806
Step by Step Solution
Least Common Multiple is :
1806Calculate Least Common Multiple for :
43, 42 and 21
Factorize of the above numbers :
43 = 43
42 = 2 • 3 • 7
21 = 3 • 7
Build a prime factors table
| Prime Factor | Number 43 | Number 42 | Number 21 | L.C.M (max) |
|---|---|---|---|---|
| 2 | 0 | 1 | 0 | 1 |
| 3 | 0 | 1 | 1 | 1 |
| 7 | 0 | 1 | 1 | 1 |
| 43 | 1 | 0 | 0 | 1 |
LCM = 2 • 3 • 7 • 43
Least Common Multiple is :
1806How did we do?
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