Least Common Multiple (LCM) of 43 and 133
The least common multiple (LCM) of 43 and 133 is 5719.
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 43 and 133?
First, calculate the GCD of 43 and 133 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 43 ÷ 133 = 0 remainder 43 |
| 2 | 133 ÷ 43 = 3 remainder 4 |
| 3 | 43 ÷ 4 = 10 remainder 3 |
| 4 | 4 ÷ 3 = 1 remainder 1 |
| 5 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 81 and 103 | 8343 |
| 20 and 115 | 460 |
| 167 and 146 | 24382 |
| 141 and 137 | 19317 |
| 171 and 48 | 2736 |