Least Common Multiple (LCM) of 131 and 65
The least common multiple (LCM) of 131 and 65 is 8515.
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 65?
First, calculate the GCD of 131 and 65 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 131 ÷ 65 = 2 remainder 1 |
| 2 | 65 ÷ 1 = 65 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 180 and 80 | 720 |
| 182 and 10 | 910 |
| 143 and 123 | 17589 |
| 114 and 55 | 6270 |
| 78 and 120 | 1560 |