Least Common Multiple (LCM) of 170 and 68
The least common multiple (LCM) of 170 and 68 is 340.
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 68?
First, calculate the GCD of 170 and 68 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 170 ÷ 68 = 2 remainder 34 |
| 2 | 68 ÷ 34 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 124 and 182 | 11284 |
| 127 and 120 | 15240 |
| 66 and 163 | 10758 |
| 38 and 79 | 3002 |
| 20 and 98 | 980 |