Least Common Multiple (LCM) of 111 and 142
The least common multiple (LCM) of 111 and 142 is 15762.
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 142?
First, calculate the GCD of 111 and 142 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 111 ÷ 142 = 0 remainder 111 |
| 2 | 142 ÷ 111 = 1 remainder 31 |
| 3 | 111 ÷ 31 = 3 remainder 18 |
| 4 | 31 ÷ 18 = 1 remainder 13 |
| 5 | 18 ÷ 13 = 1 remainder 5 |
| 6 | 13 ÷ 5 = 2 remainder 3 |
| 7 | 5 ÷ 3 = 1 remainder 2 |
| 8 | 3 ÷ 2 = 1 remainder 1 |
| 9 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 119 and 80 | 9520 |
| 153 and 133 | 20349 |
| 87 and 120 | 3480 |
| 20 and 191 | 3820 |
| 84 and 200 | 4200 |