Least Common Multiple (LCM) of 86 and 77
The least common multiple (LCM) of 86 and 77 is 6622.
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 77?
First, calculate the GCD of 86 and 77 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 86 ÷ 77 = 1 remainder 9 |
| 2 | 77 ÷ 9 = 8 remainder 5 |
| 3 | 9 ÷ 5 = 1 remainder 4 |
| 4 | 5 ÷ 4 = 1 remainder 1 |
| 5 | 4 ÷ 1 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 161 and 123 | 19803 |
| 150 and 126 | 3150 |
| 140 and 189 | 3780 |
| 185 and 167 | 30895 |
| 55 and 110 | 110 |