Least Common Multiple (LCM) of 48 and 140
The least common multiple (LCM) of 48 and 140 is 1680.
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 48 and 140?
First, calculate the GCD of 48 and 140 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 48 ÷ 140 = 0 remainder 48 |
| 2 | 140 ÷ 48 = 2 remainder 44 |
| 3 | 48 ÷ 44 = 1 remainder 4 |
| 4 | 44 ÷ 4 = 11 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 148 and 20 | 740 |
| 123 and 104 | 12792 |
| 76 and 165 | 12540 |
| 159 and 71 | 11289 |
| 67 and 99 | 6633 |