Least Common Multiple (LCM) of 82 and 140
The least common multiple (LCM) of 82 and 140 is 5740.
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 82 and 140?
First, calculate the GCD of 82 and 140 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 82 ÷ 140 = 0 remainder 82 |
| 2 | 140 ÷ 82 = 1 remainder 58 |
| 3 | 82 ÷ 58 = 1 remainder 24 |
| 4 | 58 ÷ 24 = 2 remainder 10 |
| 5 | 24 ÷ 10 = 2 remainder 4 |
| 6 | 10 ÷ 4 = 2 remainder 2 |
| 7 | 4 ÷ 2 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 18 and 90 | 90 |
| 120 and 191 | 22920 |
| 61 and 102 | 6222 |
| 163 and 53 | 8639 |
| 90 and 117 | 1170 |