Least Common Multiple (LCM) of 162 and 78
The least common multiple (LCM) of 162 and 78 is 2106.
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 78?
First, calculate the GCD of 162 and 78 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 162 ÷ 78 = 2 remainder 6 |
| 2 | 78 ÷ 6 = 13 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 29 and 63 | 1827 |
| 46 and 178 | 4094 |
| 21 and 73 | 1533 |
| 42 and 129 | 1806 |
| 199 and 159 | 31641 |