Least Common Multiple (LCM) of 12 and 129
The least common multiple (LCM) of 12 and 129 is 516.
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 12 and 129?
First, calculate the GCD of 12 and 129 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 12 ÷ 129 = 0 remainder 12 |
| 2 | 129 ÷ 12 = 10 remainder 9 |
| 3 | 12 ÷ 9 = 1 remainder 3 |
| 4 | 9 ÷ 3 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 158 and 23 | 3634 |
| 152 and 68 | 2584 |
| 37 and 46 | 1702 |
| 172 and 180 | 7740 |
| 176 and 16 | 176 |