Least Common Multiple (LCM) of 180 and 19
The least common multiple (LCM) of 180 and 19 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 19?
First, calculate the GCD of 180 and 19 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 180 ÷ 19 = 9 remainder 9 |
| 2 | 19 ÷ 9 = 2 remainder 1 |
| 3 | 9 ÷ 1 = 9 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 79 and 200 | 15800 |
| 156 and 71 | 11076 |
| 150 and 193 | 28950 |
| 170 and 34 | 170 |
| 100 and 200 | 200 |