Least Common Multiple (LCM) of 132 and 78
The least common multiple (LCM) of 132 and 78 is 1716.
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 132 and 78?
First, calculate the GCD of 132 and 78 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 132 ÷ 78 = 1 remainder 54 |
| 2 | 78 ÷ 54 = 1 remainder 24 |
| 3 | 54 ÷ 24 = 2 remainder 6 |
| 4 | 24 ÷ 6 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 89 and 84 | 7476 |
| 130 and 184 | 11960 |
| 183 and 92 | 16836 |
| 170 and 172 | 14620 |
| 137 and 20 | 2740 |