Least Common Multiple (LCM) of 109 and 129
The least common multiple (LCM) of 109 and 129 is 14061.
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 129?
First, calculate the GCD of 109 and 129 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 109 ÷ 129 = 0 remainder 109 |
| 2 | 129 ÷ 109 = 1 remainder 20 |
| 3 | 109 ÷ 20 = 5 remainder 9 |
| 4 | 20 ÷ 9 = 2 remainder 2 |
| 5 | 9 ÷ 2 = 4 remainder 1 |
| 6 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 153 and 155 | 23715 |
| 145 and 20 | 580 |
| 89 and 164 | 14596 |
| 148 and 200 | 7400 |
| 70 and 131 | 9170 |