Least Common Multiple (LCM) of 82 and 40
The least common multiple (LCM) of 82 and 40 is 1640.
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 40?
First, calculate the GCD of 82 and 40 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 82 ÷ 40 = 2 remainder 2 |
| 2 | 40 ÷ 2 = 20 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 173 and 74 | 12802 |
| 70 and 191 | 13370 |
| 148 and 53 | 7844 |
| 88 and 29 | 2552 |
| 145 and 35 | 1015 |