Least Common Multiple (LCM) of 12 and 131
The least common multiple (LCM) of 12 and 131 is 1572.
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 12 and 131?
First, calculate the GCD of 12 and 131 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 12 ÷ 131 = 0 remainder 12 |
| 2 | 131 ÷ 12 = 10 remainder 11 |
| 3 | 12 ÷ 11 = 1 remainder 1 |
| 4 | 11 ÷ 1 = 11 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 135 and 11 | 1485 |
| 27 and 181 | 4887 |
| 78 and 39 | 78 |
| 45 and 190 | 1710 |
| 197 and 198 | 39006 |