Least Common Multiple (LCM) of 85 and 168
The least common multiple (LCM) of 85 and 168 is 14280.
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 168?
First, calculate the GCD of 85 and 168 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 85 ÷ 168 = 0 remainder 85 |
| 2 | 168 ÷ 85 = 1 remainder 83 |
| 3 | 85 ÷ 83 = 1 remainder 2 |
| 4 | 83 ÷ 2 = 41 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 178 and 149 | 26522 |
| 129 and 137 | 17673 |
| 117 and 11 | 1287 |
| 157 and 139 | 21823 |
| 103 and 102 | 10506 |