Least Common Multiple (LCM) of 140 and 26
The least common multiple (LCM) of 140 and 26 is 1820.
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 140 and 26?
First, calculate the GCD of 140 and 26 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 140 ÷ 26 = 5 remainder 10 |
| 2 | 26 ÷ 10 = 2 remainder 6 |
| 3 | 10 ÷ 6 = 1 remainder 4 |
| 4 | 6 ÷ 4 = 1 remainder 2 |
| 5 | 4 ÷ 2 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 189 and 18 | 378 |
| 16 and 198 | 1584 |
| 137 and 129 | 17673 |
| 128 and 82 | 5248 |
| 45 and 96 | 1440 |