Least Common Multiple (LCM) of 9 and 15
Least Common Multiple Can we calculated in different ways. You can calculate LCM through Prime Factors and the second is simple. I will describe all the methods possible to calculate the LCM of 9 and 15.
Method 1: LCM of 9 and 15
Multiples of 15 = 15, 30, 45, 60, 75, 90, ………
Multiples of 9 = 9, 18, 36, 45, 54, 63, 72, 81, 90,…….
Common Multiples of 9 and 15 = 45, 90
Lowest Common Multiples of 9 and 15 = 45
The LCM of 9 and 15 is 45.
Method 2: LCM of 9 and 15
Find the Prime factors of 9 = 3 X 3
Find the Prime Factor of 15 = 5 X 3
Least Common Multiples of 9 and 15 = 3 X 3 X 5 = 45
Method 3: LCM of 9 and 15
Find the Least Common Multiples of 9 and 15.
| 3 | 9, 15 |
| 3 | 3, 5 |
| 5 | 1, 5 |
| 1, 1 |
Least Common Multiples of 9 and 15 = 3 X 3 X 5 = 45
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