Least Common Multiple (LCM) of 87 and 82
The least common multiple (LCM) of 87 and 82 is 7134.
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 82?
First, calculate the GCD of 87 and 82 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 87 ÷ 82 = 1 remainder 5 |
| 2 | 82 ÷ 5 = 16 remainder 2 |
| 3 | 5 ÷ 2 = 2 remainder 1 |
| 4 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 146 and 77 | 11242 |
| 143 and 48 | 6864 |
| 164 and 182 | 14924 |
| 78 and 191 | 14898 |
| 200 and 143 | 28600 |