Least Common Multiple (LCM) of 171 and 180
The least common multiple (LCM) of 171 and 180 is 3420.
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 171 and 180?
First, calculate the GCD of 171 and 180 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 171 ÷ 180 = 0 remainder 171 |
| 2 | 180 ÷ 171 = 1 remainder 9 |
| 3 | 171 ÷ 9 = 19 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 165 and 102 | 5610 |
| 148 and 145 | 21460 |
| 172 and 54 | 4644 |
| 139 and 174 | 24186 |
| 57 and 139 | 7923 |