Least Common Multiple (LCM) of 131 and 43
The least common multiple (LCM) of 131 and 43 is 5633.
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 131 and 43?
First, calculate the GCD of 131 and 43 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 131 ÷ 43 = 3 remainder 2 |
| 2 | 43 ÷ 2 = 21 remainder 1 |
| 3 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 155 and 39 | 6045 |
| 50 and 42 | 1050 |
| 171 and 141 | 8037 |
| 136 and 114 | 7752 |
| 198 and 98 | 9702 |