Least Common Multiple (LCM) of 96 and 40
The least common multiple (LCM) of 96 and 40 is 480.
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 96 and 40?
First, calculate the GCD of 96 and 40 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 96 ÷ 40 = 2 remainder 16 |
| 2 | 40 ÷ 16 = 2 remainder 8 |
| 3 | 16 ÷ 8 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 105 and 84 | 420 |
| 61 and 88 | 5368 |
| 81 and 72 | 648 |
| 186 and 15 | 930 |
| 172 and 151 | 25972 |