Least Common Multiple (LCM) of 109 and 124
The least common multiple (LCM) of 109 and 124 is 13516.
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 109 and 124?
First, calculate the GCD of 109 and 124 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 109 ÷ 124 = 0 remainder 109 |
| 2 | 124 ÷ 109 = 1 remainder 15 |
| 3 | 109 ÷ 15 = 7 remainder 4 |
| 4 | 15 ÷ 4 = 3 remainder 3 |
| 5 | 4 ÷ 3 = 1 remainder 1 |
| 6 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 81 and 25 | 2025 |
| 43 and 35 | 1505 |
| 82 and 162 | 6642 |
| 163 and 50 | 8150 |
| 115 and 97 | 11155 |