Least Common Multiple (LCM) of 126 and 141
The least common multiple (LCM) of 126 and 141 is 5922.
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 126 and 141?
First, calculate the GCD of 126 and 141 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 126 ÷ 141 = 0 remainder 126 |
| 2 | 141 ÷ 126 = 1 remainder 15 |
| 3 | 126 ÷ 15 = 8 remainder 6 |
| 4 | 15 ÷ 6 = 2 remainder 3 |
| 5 | 6 ÷ 3 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 18 and 87 | 522 |
| 20 and 132 | 660 |
| 120 and 198 | 3960 |
| 125 and 12 | 1500 |
| 87 and 196 | 17052 |