Least Common Multiple (LCM) of 165 and 43
The least common multiple (LCM) of 165 and 43 is 7095.
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 43?
First, calculate the GCD of 165 and 43 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 165 ÷ 43 = 3 remainder 36 |
| 2 | 43 ÷ 36 = 1 remainder 7 |
| 3 | 36 ÷ 7 = 5 remainder 1 |
| 4 | 7 ÷ 1 = 7 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 55 and 72 | 3960 |
| 130 and 190 | 2470 |
| 179 and 158 | 28282 |
| 143 and 67 | 9581 |
| 200 and 110 | 2200 |