Least Common Multiple (LCM) of 124 and 61
The least common multiple (LCM) of 124 and 61 is 7564.
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 124 and 61?
First, calculate the GCD of 124 and 61 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 124 ÷ 61 = 2 remainder 2 |
| 2 | 61 ÷ 2 = 30 remainder 1 |
| 3 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 100 and 124 | 3100 |
| 20 and 27 | 540 |
| 49 and 120 | 5880 |
| 158 and 26 | 2054 |
| 126 and 60 | 1260 |