Least Common Multiple (LCM) of 141 and 38
The least common multiple (LCM) of 141 and 38 is 5358.
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 141 and 38?
First, calculate the GCD of 141 and 38 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 141 ÷ 38 = 3 remainder 27 |
| 2 | 38 ÷ 27 = 1 remainder 11 |
| 3 | 27 ÷ 11 = 2 remainder 5 |
| 4 | 11 ÷ 5 = 2 remainder 1 |
| 5 | 5 ÷ 1 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 72 and 193 | 13896 |
| 156 and 132 | 1716 |
| 40 and 60 | 120 |
| 128 and 100 | 3200 |
| 74 and 20 | 740 |