Least Common Multiple (LCM) of 78 and 60
The least common multiple (LCM) of 78 and 60 is 780.
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 60?
First, calculate the GCD of 78 and 60 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 78 ÷ 60 = 1 remainder 18 |
| 2 | 60 ÷ 18 = 3 remainder 6 |
| 3 | 18 ÷ 6 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 100 and 90 | 900 |
| 175 and 114 | 19950 |
| 116 and 176 | 5104 |
| 140 and 115 | 3220 |
| 99 and 83 | 8217 |