Least Common Multiple (LCM) of 145 and 142
The least common multiple (LCM) of 145 and 142 is 20590.
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 145 and 142?
First, calculate the GCD of 145 and 142 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 145 ÷ 142 = 1 remainder 3 |
| 2 | 142 ÷ 3 = 47 remainder 1 |
| 3 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 123 and 175 | 21525 |
| 68 and 174 | 5916 |
| 15 and 55 | 165 |
| 126 and 186 | 3906 |
| 99 and 117 | 1287 |