Least Common Multiple (LCM) of 87 and 118
The least common multiple (LCM) of 87 and 118 is 10266.
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 87 and 118?
First, calculate the GCD of 87 and 118 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 87 ÷ 118 = 0 remainder 87 |
| 2 | 118 ÷ 87 = 1 remainder 31 |
| 3 | 87 ÷ 31 = 2 remainder 25 |
| 4 | 31 ÷ 25 = 1 remainder 6 |
| 5 | 25 ÷ 6 = 4 remainder 1 |
| 6 | 6 ÷ 1 = 6 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 198 and 91 | 18018 |
| 180 and 143 | 25740 |
| 50 and 25 | 50 |
| 194 and 68 | 6596 |
| 165 and 151 | 24915 |