Least Common Multiple (LCM) of 77 and 66
The least common multiple (LCM) of 77 and 66 is 462.
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 77 and 66?
First, calculate the GCD of 77 and 66 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 77 ÷ 66 = 1 remainder 11 |
| 2 | 66 ÷ 11 = 6 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 106 and 85 | 9010 |
| 181 and 162 | 29322 |
| 181 and 17 | 3077 |
| 192 and 138 | 4416 |
| 148 and 120 | 4440 |