Least Common Multiple (LCM) of 165 and 142
The least common multiple (LCM) of 165 and 142 is 23430.
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 142?
First, calculate the GCD of 165 and 142 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 165 ÷ 142 = 1 remainder 23 |
| 2 | 142 ÷ 23 = 6 remainder 4 |
| 3 | 23 ÷ 4 = 5 remainder 3 |
| 4 | 4 ÷ 3 = 1 remainder 1 |
| 5 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 155 and 99 | 15345 |
| 154 and 185 | 28490 |
| 132 and 122 | 8052 |
| 91 and 143 | 1001 |
| 173 and 15 | 2595 |