Least Common Multiple (LCM) of 78 and 32
The least common multiple (LCM) of 78 and 32 is 1248.
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 78 and 32?
First, calculate the GCD of 78 and 32 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 78 ÷ 32 = 2 remainder 14 |
| 2 | 32 ÷ 14 = 2 remainder 4 |
| 3 | 14 ÷ 4 = 3 remainder 2 |
| 4 | 4 ÷ 2 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 130 and 184 | 11960 |
| 59 and 30 | 1770 |
| 123 and 94 | 11562 |
| 174 and 119 | 20706 |
| 154 and 11 | 154 |