Least Common Multiple (LCM) of 117 and 69
The least common multiple (LCM) of 117 and 69 is 2691.
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 69?
First, calculate the GCD of 117 and 69 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 117 ÷ 69 = 1 remainder 48 |
| 2 | 69 ÷ 48 = 1 remainder 21 |
| 3 | 48 ÷ 21 = 2 remainder 6 |
| 4 | 21 ÷ 6 = 3 remainder 3 |
| 5 | 6 ÷ 3 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 185 and 33 | 6105 |
| 119 and 56 | 952 |
| 191 and 193 | 36863 |
| 143 and 142 | 20306 |
| 137 and 160 | 21920 |