Least Common Multiple (LCM) of 170 and 18
The least common multiple (LCM) of 170 and 18 is 1530.
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 18?
First, calculate the GCD of 170 and 18 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 170 ÷ 18 = 9 remainder 8 |
| 2 | 18 ÷ 8 = 2 remainder 2 |
| 3 | 8 ÷ 2 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 176 and 198 | 1584 |
| 131 and 68 | 8908 |
| 107 and 174 | 18618 |
| 71 and 45 | 3195 |
| 190 and 141 | 26790 |