Least Common Multiple (LCM) of 111 and 131
The least common multiple (LCM) of 111 and 131 is 14541.
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 111 and 131?
First, calculate the GCD of 111 and 131 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 111 ÷ 131 = 0 remainder 111 |
| 2 | 131 ÷ 111 = 1 remainder 20 |
| 3 | 111 ÷ 20 = 5 remainder 11 |
| 4 | 20 ÷ 11 = 1 remainder 9 |
| 5 | 11 ÷ 9 = 1 remainder 2 |
| 6 | 9 ÷ 2 = 4 remainder 1 |
| 7 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 20 and 179 | 3580 |
| 160 and 57 | 9120 |
| 95 and 71 | 6745 |
| 187 and 38 | 7106 |
| 191 and 86 | 16426 |