Least Common Multiple (LCM) of 180 and 171
The least common multiple (LCM) of 180 and 171 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 180 and 171?
First, calculate the GCD of 180 and 171 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 180 ÷ 171 = 1 remainder 9 |
| 2 | 171 ÷ 9 = 19 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 30 and 41 | 1230 |
| 124 and 138 | 8556 |
| 40 and 79 | 3160 |
| 62 and 60 | 1860 |
| 91 and 70 | 910 |