Least Common Multiple (LCM) of 69 and 124
The least common multiple (LCM) of 69 and 124 is 8556.
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 69 and 124?
First, calculate the GCD of 69 and 124 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 69 ÷ 124 = 0 remainder 69 |
| 2 | 124 ÷ 69 = 1 remainder 55 |
| 3 | 69 ÷ 55 = 1 remainder 14 |
| 4 | 55 ÷ 14 = 3 remainder 13 |
| 5 | 14 ÷ 13 = 1 remainder 1 |
| 6 | 13 ÷ 1 = 13 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 15 and 121 | 1815 |
| 20 and 136 | 680 |
| 188 and 183 | 34404 |
| 185 and 189 | 34965 |
| 116 and 104 | 3016 |