Least Common Multiple (LCM) of 28 and 133
The least common multiple (LCM) of 28 and 133 is 532.
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 28 and 133?
First, calculate the GCD of 28 and 133 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 28 ÷ 133 = 0 remainder 28 |
| 2 | 133 ÷ 28 = 4 remainder 21 |
| 3 | 28 ÷ 21 = 1 remainder 7 |
| 4 | 21 ÷ 7 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 180 and 67 | 12060 |
| 167 and 189 | 31563 |
| 124 and 116 | 3596 |
| 189 and 168 | 1512 |
| 99 and 121 | 1089 |