Least Common Multiple (LCM) of 143 and 142
The least common multiple (LCM) of 143 and 142 is 20306.
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 143 and 142?
First, calculate the GCD of 143 and 142 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 143 ÷ 142 = 1 remainder 1 |
| 2 | 142 ÷ 1 = 142 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 30 and 21 | 210 |
| 77 and 176 | 1232 |
| 171 and 134 | 22914 |
| 21 and 74 | 1554 |
| 164 and 121 | 19844 |