Least Common Multiple (LCM) of 71 and 85
The least common multiple (LCM) of 71 and 85 is 6035.
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 71 and 85?
First, calculate the GCD of 71 and 85 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 71 ÷ 85 = 0 remainder 71 |
| 2 | 85 ÷ 71 = 1 remainder 14 |
| 3 | 71 ÷ 14 = 5 remainder 1 |
| 4 | 14 ÷ 1 = 14 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 46 and 138 | 138 |
| 137 and 76 | 10412 |
| 11 and 129 | 1419 |
| 198 and 142 | 14058 |
| 111 and 69 | 2553 |