Least Common Multiple (LCM) of 63 and 126
The least common multiple (LCM) of 63 and 126 is 126.
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 63 and 126?
First, calculate the GCD of 63 and 126 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 63 ÷ 126 = 0 remainder 63 |
| 2 | 126 ÷ 63 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 190 and 109 | 20710 |
| 20 and 113 | 2260 |
| 82 and 20 | 820 |
| 106 and 105 | 11130 |
| 89 and 87 | 7743 |