Least Common Multiple (LCM) of 142 and 105
The least common multiple (LCM) of 142 and 105 is 14910.
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 105?
First, calculate the GCD of 142 and 105 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 142 ÷ 105 = 1 remainder 37 |
| 2 | 105 ÷ 37 = 2 remainder 31 |
| 3 | 37 ÷ 31 = 1 remainder 6 |
| 4 | 31 ÷ 6 = 5 remainder 1 |
| 5 | 6 ÷ 1 = 6 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 198 and 50 | 4950 |
| 163 and 71 | 11573 |
| 172 and 184 | 7912 |
| 128 and 15 | 1920 |
| 198 and 71 | 14058 |