Least Common Multiple (LCM) of 165 and 117
The least common multiple (LCM) of 165 and 117 is 6435.
What is the Least Common Multiple (LCM)?
The LCM of two integers is the smallest positive integer that is divisible by both numbers. It is often used to find common denominators and solve problems involving periodic events.
Formula for LCM
The LCM of two numbers can be calculated using their GCD:
LCM(a, b) = |a × b| ÷ GCD(a, b)
How to Calculate the LCM of 165 and 117?
First, calculate the GCD of 165 and 117 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 165 ÷ 117 = 1 remainder 48 |
| 2 | 117 ÷ 48 = 2 remainder 21 |
| 3 | 48 ÷ 21 = 2 remainder 6 |
| 4 | 21 ÷ 6 = 3 remainder 3 |
| 5 | 6 ÷ 3 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 129 and 159 | 6837 |
| 184 and 72 | 1656 |
| 21 and 56 | 168 |
| 148 and 160 | 5920 |
| 38 and 127 | 4826 |