Least Common Multiple (LCM) of 85 and 69
The least common multiple (LCM) of 85 and 69 is 5865.
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 85 and 69?
First, calculate the GCD of 85 and 69 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 85 ÷ 69 = 1 remainder 16 |
| 2 | 69 ÷ 16 = 4 remainder 5 |
| 3 | 16 ÷ 5 = 3 remainder 1 |
| 4 | 5 ÷ 1 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 29 and 179 | 5191 |
| 130 and 196 | 12740 |
| 146 and 195 | 28470 |
| 65 and 71 | 4615 |
| 92 and 189 | 17388 |