Least Common Multiple (LCM) of 153 and 82
The least common multiple (LCM) of 153 and 82 is 12546.
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 153 and 82?
First, calculate the GCD of 153 and 82 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 153 ÷ 82 = 1 remainder 71 |
| 2 | 82 ÷ 71 = 1 remainder 11 |
| 3 | 71 ÷ 11 = 6 remainder 5 |
| 4 | 11 ÷ 5 = 2 remainder 1 |
| 5 | 5 ÷ 1 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 135 and 35 | 945 |
| 31 and 19 | 589 |
| 38 and 169 | 6422 |
| 59 and 181 | 10679 |
| 187 and 72 | 13464 |