Least Common Multiple (LCM) of 124 and 79
The least common multiple (LCM) of 124 and 79 is 9796.
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 79?
First, calculate the GCD of 124 and 79 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 124 ÷ 79 = 1 remainder 45 |
| 2 | 79 ÷ 45 = 1 remainder 34 |
| 3 | 45 ÷ 34 = 1 remainder 11 |
| 4 | 34 ÷ 11 = 3 remainder 1 |
| 5 | 11 ÷ 1 = 11 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 186 and 118 | 10974 |
| 151 and 87 | 13137 |
| 82 and 118 | 4838 |
| 84 and 20 | 420 |
| 85 and 42 | 3570 |