Least Common Multiple (LCM) of 48 and 40
The least common multiple (LCM) of 48 and 40 is 240.
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 40?
First, calculate the GCD of 48 and 40 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 48 ÷ 40 = 1 remainder 8 |
| 2 | 40 ÷ 8 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 174 and 98 | 8526 |
| 178 and 153 | 27234 |
| 37 and 101 | 3737 |
| 133 and 104 | 13832 |
| 139 and 34 | 4726 |