Least Common Multiple (LCM) of 165 and 145
The least common multiple (LCM) of 165 and 145 is 4785.
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 145?
First, calculate the GCD of 165 and 145 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 165 ÷ 145 = 1 remainder 20 |
| 2 | 145 ÷ 20 = 7 remainder 5 |
| 3 | 20 ÷ 5 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 142 and 91 | 12922 |
| 38 and 66 | 1254 |
| 153 and 118 | 18054 |
| 188 and 157 | 29516 |
| 149 and 167 | 24883 |