Least Common Multiple (LCM) of 122 and 49
The least common multiple (LCM) of 122 and 49 is 5978.
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 122 and 49?
First, calculate the GCD of 122 and 49 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 122 ÷ 49 = 2 remainder 24 |
| 2 | 49 ÷ 24 = 2 remainder 1 |
| 3 | 24 ÷ 1 = 24 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 138 and 154 | 10626 |
| 59 and 117 | 6903 |
| 11 and 20 | 220 |
| 133 and 177 | 23541 |
| 56 and 28 | 56 |