Least common multiple (LCM)
We think you wrote:
lcm(12,16,20)
This solution deals with the least common multiple (LCM).
Solution found
240
- Alternative approach
Step by Step Solution
Least Common Multiple is :
240Calculate Least Common Multiple for :
12, 16 and 20
Factorize of the above numbers :
12 = 22 • 3
16 = 24
20 = 22 • 5
Build a prime factors table
| Prime Factor | Number 12 | Number 16 | Number 20 | L.C.M (max) |
|---|---|---|---|---|
| 2 | 2 | 4 | 2 | 4 |
| 3 | 1 | 0 | 0 | 1 |
| 5 | 0 | 0 | 1 | 1 |
LCM = 24 • 3 • 5
Least Common Multiple is :
240Why learn this
