Least Common Multiple (LCM) of 195 and 142
The least common multiple (LCM) of 195 and 142 is 27690.
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 195 and 142?
First, calculate the GCD of 195 and 142 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 195 ÷ 142 = 1 remainder 53 |
| 2 | 142 ÷ 53 = 2 remainder 36 |
| 3 | 53 ÷ 36 = 1 remainder 17 |
| 4 | 36 ÷ 17 = 2 remainder 2 |
| 5 | 17 ÷ 2 = 8 remainder 1 |
| 6 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 167 and 129 | 21543 |
| 120 and 26 | 1560 |
| 111 and 89 | 9879 |
| 168 and 81 | 4536 |
| 54 and 132 | 1188 |