Solution - Least common multiple (LCM)
1,890
Step by Step Solution
Least Common Multiple is :
1890Calculate Least Common Multiple for :
21, 27 and 30
Factorize of the above numbers :
21 = 3 • 7
27 = 33
30 = 2 • 3 • 5
Build a prime factors table
| Prime Factor | Number 21 | Number 27 | Number 30 | L.C.M (max) |
|---|---|---|---|---|
| 2 | 0 | 0 | 1 | 1 |
| 3 | 1 | 3 | 1 | 3 |
| 5 | 0 | 0 | 1 | 1 |
| 7 | 1 | 0 | 0 | 1 |
LCM = 2 • 33 • 5 • 7
Least Common Multiple is :
1890How did we do?
Please leave us feedback.