Least Common Multiple (LCM) of 118 and 129
The least common multiple (LCM) of 118 and 129 is 15222.
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 118 and 129?
First, calculate the GCD of 118 and 129 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 118 ÷ 129 = 0 remainder 118 |
| 2 | 129 ÷ 118 = 1 remainder 11 |
| 3 | 118 ÷ 11 = 10 remainder 8 |
| 4 | 11 ÷ 8 = 1 remainder 3 |
| 5 | 8 ÷ 3 = 2 remainder 2 |
| 6 | 3 ÷ 2 = 1 remainder 1 |
| 7 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 43 and 160 | 6880 |
| 180 and 58 | 5220 |
| 170 and 165 | 5610 |
| 29 and 130 | 3770 |
| 139 and 151 | 20989 |