Least Common Multiple (LCM) of 66 and 127
The least common multiple (LCM) of 66 and 127 is 8382.
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 66 and 127?
First, calculate the GCD of 66 and 127 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 66 ÷ 127 = 0 remainder 66 |
| 2 | 127 ÷ 66 = 1 remainder 61 |
| 3 | 66 ÷ 61 = 1 remainder 5 |
| 4 | 61 ÷ 5 = 12 remainder 1 |
| 5 | 5 ÷ 1 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 140 and 102 | 7140 |
| 87 and 11 | 957 |
| 69 and 181 | 12489 |
| 21 and 12 | 84 |
| 108 and 132 | 1188 |