Least Common Multiple (LCM) of 162 and 87
The least common multiple (LCM) of 162 and 87 is 4698.
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 162 and 87?
First, calculate the GCD of 162 and 87 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 162 ÷ 87 = 1 remainder 75 |
| 2 | 87 ÷ 75 = 1 remainder 12 |
| 3 | 75 ÷ 12 = 6 remainder 3 |
| 4 | 12 ÷ 3 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 74 and 11 | 814 |
| 149 and 144 | 21456 |
| 32 and 42 | 672 |
| 86 and 27 | 2322 |
| 146 and 129 | 18834 |