Least Common Multiple (LCM) of 86 and 142
The least common multiple (LCM) of 86 and 142 is 6106.
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 86 and 142?
First, calculate the GCD of 86 and 142 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 86 ÷ 142 = 0 remainder 86 |
| 2 | 142 ÷ 86 = 1 remainder 56 |
| 3 | 86 ÷ 56 = 1 remainder 30 |
| 4 | 56 ÷ 30 = 1 remainder 26 |
| 5 | 30 ÷ 26 = 1 remainder 4 |
| 6 | 26 ÷ 4 = 6 remainder 2 |
| 7 | 4 ÷ 2 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 50 and 105 | 1050 |
| 128 and 55 | 7040 |
| 81 and 50 | 4050 |
| 188 and 47 | 188 |
| 50 and 68 | 1700 |