Least Common Multiple (LCM) of 131 and 28
The least common multiple (LCM) of 131 and 28 is 3668.
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 28?
First, calculate the GCD of 131 and 28 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 131 ÷ 28 = 4 remainder 19 |
| 2 | 28 ÷ 19 = 1 remainder 9 |
| 3 | 19 ÷ 9 = 2 remainder 1 |
| 4 | 9 ÷ 1 = 9 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 109 and 60 | 6540 |
| 34 and 52 | 884 |
| 66 and 64 | 2112 |
| 55 and 61 | 3355 |
| 55 and 156 | 8580 |