Least Common Multiple (LCM) of 142 and 109
The least common multiple (LCM) of 142 and 109 is 15478.
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 109?
First, calculate the GCD of 142 and 109 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 142 ÷ 109 = 1 remainder 33 |
| 2 | 109 ÷ 33 = 3 remainder 10 |
| 3 | 33 ÷ 10 = 3 remainder 3 |
| 4 | 10 ÷ 3 = 3 remainder 1 |
| 5 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 11 and 90 | 990 |
| 140 and 48 | 1680 |
| 31 and 62 | 62 |
| 65 and 35 | 455 |
| 51 and 138 | 2346 |