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 |
|---|---|
| 104 and 145 | 15080 |
| 16 and 121 | 1936 |
| 164 and 145 | 23780 |
| 70 and 78 | 2730 |
| 14 and 26 | 182 |