Least Common Multiple (LCM) of 142 and 147
The least common multiple (LCM) of 142 and 147 is 20874.
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 142 and 147?
First, calculate the GCD of 142 and 147 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 142 ÷ 147 = 0 remainder 142 |
| 2 | 147 ÷ 142 = 1 remainder 5 |
| 3 | 142 ÷ 5 = 28 remainder 2 |
| 4 | 5 ÷ 2 = 2 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 193 and 155 | 29915 |
| 184 and 154 | 14168 |
| 43 and 111 | 4773 |
| 159 and 128 | 20352 |
| 146 and 77 | 11242 |