Least Common Multiple (LCM) of 40 and 32
The least common multiple (LCM) of 40 and 32 is 160.
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 40 and 32?
First, calculate the GCD of 40 and 32 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 40 ÷ 32 = 1 remainder 8 |
| 2 | 32 ÷ 8 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 195 and 170 | 6630 |
| 167 and 173 | 28891 |
| 142 and 111 | 15762 |
| 77 and 46 | 3542 |
| 182 and 16 | 1456 |