
Least Common Multiple (LCM) of 43 and 86
The least common multiple (LCM) of 43 and 86 is 86.
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 86?
First, calculate the GCD of 43 and 86 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
Step | Calculation |
---|---|
1 | 43 ÷ 86 = 0 remainder 43 |
2 | 86 ÷ 43 = 2 remainder 0 |
Examples of LCM Calculations
Numbers | LCM |
---|---|
63 and 16 | 1008 |
159 and 173 | 27507 |
111 and 31 | 3441 |
86 and 83 | 7138 |
98 and 62 | 3038 |