Least Common Multiple (LCM) of 71 and 142
The least common multiple (LCM) of 71 and 142 is 142.
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 71 and 142?
First, calculate the GCD of 71 and 142 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 71 ÷ 142 = 0 remainder 71 |
| 2 | 142 ÷ 71 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 103 and 185 | 19055 |
| 82 and 156 | 6396 |
| 102 and 125 | 12750 |
| 130 and 90 | 1170 |
| 100 and 154 | 7700 |