Least Common Multiple (LCM) of 142 and 145
The least common multiple (LCM) of 142 and 145 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 142 and 145?
First, calculate the GCD of 142 and 145 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 142 ÷ 145 = 0 remainder 142 |
| 2 | 145 ÷ 142 = 1 remainder 3 |
| 3 | 142 ÷ 3 = 47 remainder 1 |
| 4 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 80 and 89 | 7120 |
| 193 and 60 | 11580 |
| 23 and 57 | 1311 |
| 136 and 28 | 952 |
| 34 and 92 | 1564 |