Least Common Multiple (LCM) of 124 and 109
The least common multiple (LCM) of 124 and 109 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 124 and 109?
First, calculate the GCD of 124 and 109 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 124 ÷ 109 = 1 remainder 15 |
| 2 | 109 ÷ 15 = 7 remainder 4 |
| 3 | 15 ÷ 4 = 3 remainder 3 |
| 4 | 4 ÷ 3 = 1 remainder 1 |
| 5 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 21 and 67 | 1407 |
| 89 and 77 | 6853 |
| 24 and 172 | 1032 |
| 35 and 115 | 805 |
| 102 and 105 | 3570 |