Least Common Multiple (LCM) of 109 and 141
The least common multiple (LCM) of 109 and 141 is 15369.
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 109 and 141?
First, calculate the GCD of 109 and 141 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 109 ÷ 141 = 0 remainder 109 |
| 2 | 141 ÷ 109 = 1 remainder 32 |
| 3 | 109 ÷ 32 = 3 remainder 13 |
| 4 | 32 ÷ 13 = 2 remainder 6 |
| 5 | 13 ÷ 6 = 2 remainder 1 |
| 6 | 6 ÷ 1 = 6 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 181 and 86 | 15566 |
| 128 and 25 | 3200 |
| 131 and 149 | 19519 |
| 24 and 42 | 168 |
| 155 and 142 | 22010 |