Least Common Multiple (LCM) of 78 and 104
The least common multiple (LCM) of 78 and 104 is 312.
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 104?
First, calculate the GCD of 78 and 104 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 78 ÷ 104 = 0 remainder 78 |
| 2 | 104 ÷ 78 = 1 remainder 26 |
| 3 | 78 ÷ 26 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 76 and 56 | 1064 |
| 133 and 95 | 665 |
| 57 and 165 | 3135 |
| 178 and 41 | 7298 |
| 132 and 139 | 18348 |