Least Common Multiple (LCM) of 78 and 164
The least common multiple (LCM) of 78 and 164 is 6396.
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 164?
First, calculate the GCD of 78 and 164 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 78 ÷ 164 = 0 remainder 78 |
| 2 | 164 ÷ 78 = 2 remainder 8 |
| 3 | 78 ÷ 8 = 9 remainder 6 |
| 4 | 8 ÷ 6 = 1 remainder 2 |
| 5 | 6 ÷ 2 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 70 and 151 | 10570 |
| 39 and 171 | 2223 |
| 41 and 17 | 697 |
| 155 and 66 | 10230 |
| 143 and 118 | 16874 |