Least Common Multiple (LCM) of 124 and 80
The least common multiple (LCM) of 124 and 80 is 2480.
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 80?
First, calculate the GCD of 124 and 80 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 124 ÷ 80 = 1 remainder 44 |
| 2 | 80 ÷ 44 = 1 remainder 36 |
| 3 | 44 ÷ 36 = 1 remainder 8 |
| 4 | 36 ÷ 8 = 4 remainder 4 |
| 5 | 8 ÷ 4 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 46 and 137 | 6302 |
| 86 and 88 | 3784 |
| 37 and 52 | 1924 |
| 12 and 180 | 180 |
| 132 and 87 | 3828 |