Least Common Multiple (LCM) of 69 and 173
The least common multiple (LCM) of 69 and 173 is 11937.
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 69 and 173?
First, calculate the GCD of 69 and 173 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 69 ÷ 173 = 0 remainder 69 |
| 2 | 173 ÷ 69 = 2 remainder 35 |
| 3 | 69 ÷ 35 = 1 remainder 34 |
| 4 | 35 ÷ 34 = 1 remainder 1 |
| 5 | 34 ÷ 1 = 34 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 181 and 159 | 28779 |
| 158 and 60 | 4740 |
| 128 and 16 | 128 |
| 191 and 130 | 24830 |
| 74 and 177 | 13098 |