Least Common Multiple (LCM) of 78 and 194
The least common multiple (LCM) of 78 and 194 is 7566.
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 194?
First, calculate the GCD of 78 and 194 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 78 ÷ 194 = 0 remainder 78 |
| 2 | 194 ÷ 78 = 2 remainder 38 |
| 3 | 78 ÷ 38 = 2 remainder 2 |
| 4 | 38 ÷ 2 = 19 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 128 and 26 | 1664 |
| 123 and 167 | 20541 |
| 36 and 88 | 792 |
| 171 and 159 | 9063 |
| 71 and 149 | 10579 |