Least Common Multiple (LCM) of 126 and 43
The least common multiple (LCM) of 126 and 43 is 5418.
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 43?
First, calculate the GCD of 126 and 43 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 126 ÷ 43 = 2 remainder 40 |
| 2 | 43 ÷ 40 = 1 remainder 3 |
| 3 | 40 ÷ 3 = 13 remainder 1 |
| 4 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 36 and 176 | 1584 |
| 123 and 81 | 3321 |
| 144 and 163 | 23472 |
| 147 and 74 | 10878 |
| 151 and 185 | 27935 |