Solution - Least common multiple (LCM)
630
Step by Step Solution
Least Common Multiple is :
630Calculate Least Common Multiple for :
18, 30 and 42
Factorize of the above numbers :
18 = 2 • 32
30 = 2 • 3 • 5
42 = 2 • 3 • 7
Build a prime factors table
| Prime Factor | Number 18 | Number 30 | Number 42 | L.C.M (max) |
|---|---|---|---|---|
| 2 | 1 | 1 | 1 | 1 |
| 3 | 2 | 1 | 1 | 2 |
| 5 | 0 | 1 | 0 | 1 |
| 7 | 0 | 0 | 1 | 1 |
LCM = 2 • 32 • 5 • 7
Least Common Multiple is :
630How did we do?
Please leave us feedback.