Least Common Multiple (LCM) of 135 and 47
The least common multiple (LCM) of 135 and 47 is 6345.
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 135 and 47?
First, calculate the GCD of 135 and 47 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 135 ÷ 47 = 2 remainder 41 |
| 2 | 47 ÷ 41 = 1 remainder 6 |
| 3 | 41 ÷ 6 = 6 remainder 5 |
| 4 | 6 ÷ 5 = 1 remainder 1 |
| 5 | 5 ÷ 1 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 30 and 45 | 90 |
| 42 and 138 | 966 |
| 50 and 180 | 900 |
| 128 and 115 | 14720 |
| 51 and 113 | 5763 |