Least Common Multiple (LCM) of 129 and 27
The least common multiple (LCM) of 129 and 27 is 1161.
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 27?
First, calculate the GCD of 129 and 27 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 129 ÷ 27 = 4 remainder 21 |
| 2 | 27 ÷ 21 = 1 remainder 6 |
| 3 | 21 ÷ 6 = 3 remainder 3 |
| 4 | 6 ÷ 3 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 182 and 34 | 3094 |
| 67 and 129 | 8643 |
| 74 and 75 | 5550 |
| 154 and 130 | 10010 |
| 13 and 23 | 299 |