Least Common Multiple (LCM) of 165 and 195
The least common multiple (LCM) of 165 and 195 is 2145.
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 195?
First, calculate the GCD of 165 and 195 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 165 ÷ 195 = 0 remainder 165 |
| 2 | 195 ÷ 165 = 1 remainder 30 |
| 3 | 165 ÷ 30 = 5 remainder 15 |
| 4 | 30 ÷ 15 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 84 and 114 | 1596 |
| 130 and 115 | 2990 |
| 33 and 72 | 792 |
| 199 and 60 | 11940 |
| 161 and 29 | 4669 |