Least Common Multiple (LCM) of 83 and 71
The least common multiple (LCM) of 83 and 71 is 5893.
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 83 and 71?
First, calculate the GCD of 83 and 71 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 83 ÷ 71 = 1 remainder 12 |
| 2 | 71 ÷ 12 = 5 remainder 11 |
| 3 | 12 ÷ 11 = 1 remainder 1 |
| 4 | 11 ÷ 1 = 11 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 171 and 138 | 7866 |
| 111 and 57 | 2109 |
| 63 and 18 | 126 |
| 120 and 17 | 2040 |
| 66 and 71 | 4686 |