Least Common Multiple (LCM) of 86 and 178
The least common multiple (LCM) of 86 and 178 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 86 and 178?
First, calculate the GCD of 86 and 178 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 86 ÷ 178 = 0 remainder 86 |
| 2 | 178 ÷ 86 = 2 remainder 6 |
| 3 | 86 ÷ 6 = 14 remainder 2 |
| 4 | 6 ÷ 2 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 28 and 84 | 84 |
| 26 and 28 | 364 |
| 197 and 21 | 4137 |
| 43 and 130 | 5590 |
| 29 and 102 | 2958 |