Least Common Multiple (LCM) of 117 and 66
The least common multiple (LCM) of 117 and 66 is 2574.
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 117 and 66?
First, calculate the GCD of 117 and 66 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 117 ÷ 66 = 1 remainder 51 |
| 2 | 66 ÷ 51 = 1 remainder 15 |
| 3 | 51 ÷ 15 = 3 remainder 6 |
| 4 | 15 ÷ 6 = 2 remainder 3 |
| 5 | 6 ÷ 3 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 26 and 58 | 754 |
| 155 and 68 | 10540 |
| 163 and 173 | 28199 |
| 124 and 47 | 5828 |
| 193 and 72 | 13896 |