Least Common Multiple (LCM) of 129 and 149
The least common multiple (LCM) of 129 and 149 is 19221.
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 129 and 149?
First, calculate the GCD of 129 and 149 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 129 ÷ 149 = 0 remainder 129 |
| 2 | 149 ÷ 129 = 1 remainder 20 |
| 3 | 129 ÷ 20 = 6 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 |
|---|---|
| 160 and 22 | 1760 |
| 75 and 86 | 6450 |
| 11 and 49 | 539 |
| 187 and 31 | 5797 |
| 13 and 25 | 325 |