
Least Common Multiple (LCM) of 12 and 168
The least common multiple (LCM) of 12 and 168 is 168.
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 12 and 168?
First, calculate the GCD of 12 and 168 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
Step | Calculation |
---|---|
1 | 12 ÷ 168 = 0 remainder 12 |
2 | 168 ÷ 12 = 14 remainder 0 |
Examples of LCM Calculations
Numbers | LCM |
---|---|
161 and 191 | 30751 |
121 and 94 | 11374 |
103 and 139 | 14317 |
110 and 78 | 4290 |
151 and 121 | 18271 |