Least Common Multiple (LCM) of 129 and 67
The least common multiple (LCM) of 129 and 67 is 8643.
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 67?
First, calculate the GCD of 129 and 67 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 129 ÷ 67 = 1 remainder 62 |
| 2 | 67 ÷ 62 = 1 remainder 5 |
| 3 | 62 ÷ 5 = 12 remainder 2 |
| 4 | 5 ÷ 2 = 2 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 63 and 170 | 10710 |
| 28 and 116 | 812 |
| 30 and 74 | 1110 |
| 39 and 181 | 7059 |
| 128 and 122 | 7808 |