Least Common Multiple (LCM) of 170 and 82
The least common multiple (LCM) of 170 and 82 is 6970.
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 170 and 82?
First, calculate the GCD of 170 and 82 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 170 ÷ 82 = 2 remainder 6 |
| 2 | 82 ÷ 6 = 13 remainder 4 |
| 3 | 6 ÷ 4 = 1 remainder 2 |
| 4 | 4 ÷ 2 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 148 and 171 | 25308 |
| 12 and 159 | 636 |
| 120 and 198 | 3960 |
| 188 and 157 | 29516 |
| 125 and 80 | 2000 |