Least Common Multiple (LCM) of 118 and 80
The least common multiple (LCM) of 118 and 80 is 4720.
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 80?
First, calculate the GCD of 118 and 80 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 118 ÷ 80 = 1 remainder 38 |
| 2 | 80 ÷ 38 = 2 remainder 4 |
| 3 | 38 ÷ 4 = 9 remainder 2 |
| 4 | 4 ÷ 2 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 120 and 89 | 10680 |
| 179 and 107 | 19153 |
| 55 and 145 | 1595 |
| 65 and 129 | 8385 |
| 117 and 72 | 936 |