Least Common Multiple (LCM) of 72 and 132
The least common multiple (LCM) of 72 and 132 is 792.
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 72 and 132?
First, calculate the GCD of 72 and 132 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 72 ÷ 132 = 0 remainder 72 |
| 2 | 132 ÷ 72 = 1 remainder 60 |
| 3 | 72 ÷ 60 = 1 remainder 12 |
| 4 | 60 ÷ 12 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 14 and 27 | 378 |
| 142 and 49 | 6958 |
| 84 and 176 | 3696 |
| 186 and 73 | 13578 |
| 30 and 103 | 3090 |