Least Common Multiple (LCM) of 178 and 86
The least common multiple (LCM) of 178 and 86 is 7654.
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 178 and 86?
First, calculate the GCD of 178 and 86 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 178 ÷ 86 = 2 remainder 6 |
| 2 | 86 ÷ 6 = 14 remainder 2 |
| 3 | 6 ÷ 2 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 118 and 147 | 17346 |
| 55 and 104 | 5720 |
| 20 and 125 | 500 |
| 86 and 78 | 3354 |
| 24 and 34 | 408 |