Least Common Multiple (LCM) of 129 and 73
The least common multiple (LCM) of 129 and 73 is 9417.
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 73?
First, calculate the GCD of 129 and 73 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 129 ÷ 73 = 1 remainder 56 |
| 2 | 73 ÷ 56 = 1 remainder 17 |
| 3 | 56 ÷ 17 = 3 remainder 5 |
| 4 | 17 ÷ 5 = 3 remainder 2 |
| 5 | 5 ÷ 2 = 2 remainder 1 |
| 6 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 14 and 37 | 518 |
| 150 and 84 | 2100 |
| 63 and 199 | 12537 |
| 62 and 176 | 5456 |
| 72 and 147 | 3528 |