Least Common Multiple (LCM) of 86 and 65
The least common multiple (LCM) of 86 and 65 is 5590.
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 86 and 65?
First, calculate the GCD of 86 and 65 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 86 ÷ 65 = 1 remainder 21 |
| 2 | 65 ÷ 21 = 3 remainder 2 |
| 3 | 21 ÷ 2 = 10 remainder 1 |
| 4 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 80 and 164 | 3280 |
| 116 and 87 | 348 |
| 22 and 111 | 2442 |
| 154 and 153 | 23562 |
| 77 and 181 | 13937 |