Least Common Multiple (LCM) of 142 and 80
The least common multiple (LCM) of 142 and 80 is 5680.
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 142 and 80?
First, calculate the GCD of 142 and 80 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 142 ÷ 80 = 1 remainder 62 |
| 2 | 80 ÷ 62 = 1 remainder 18 |
| 3 | 62 ÷ 18 = 3 remainder 8 |
| 4 | 18 ÷ 8 = 2 remainder 2 |
| 5 | 8 ÷ 2 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 67 and 142 | 9514 |
| 135 and 161 | 21735 |
| 168 and 57 | 3192 |
| 110 and 42 | 2310 |
| 125 and 82 | 10250 |