Least Common Multiple (LCM) of 180 and 168
The least common multiple (LCM) of 180 and 168 is 2520.
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 168?
First, calculate the GCD of 180 and 168 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 180 ÷ 168 = 1 remainder 12 |
| 2 | 168 ÷ 12 = 14 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 161 and 44 | 7084 |
| 21 and 40 | 840 |
| 83 and 143 | 11869 |
| 126 and 41 | 5166 |
| 182 and 103 | 18746 |