Least Common Multiple (LCM) of 85 and 163
The least common multiple (LCM) of 85 and 163 is 13855.
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 163?
First, calculate the GCD of 85 and 163 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 85 ÷ 163 = 0 remainder 85 |
| 2 | 163 ÷ 85 = 1 remainder 78 |
| 3 | 85 ÷ 78 = 1 remainder 7 |
| 4 | 78 ÷ 7 = 11 remainder 1 |
| 5 | 7 ÷ 1 = 7 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 177 and 127 | 22479 |
| 120 and 45 | 360 |
| 63 and 84 | 252 |
| 21 and 17 | 357 |
| 175 and 161 | 4025 |