Least Common Multiple (LCM) of 67 and 40
The least common multiple (LCM) of 67 and 40 is 2680.
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 67 and 40?
First, calculate the GCD of 67 and 40 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 67 ÷ 40 = 1 remainder 27 |
| 2 | 40 ÷ 27 = 1 remainder 13 |
| 3 | 27 ÷ 13 = 2 remainder 1 |
| 4 | 13 ÷ 1 = 13 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 38 and 20 | 380 |
| 64 and 123 | 7872 |
| 180 and 146 | 13140 |
| 24 and 31 | 744 |
| 10 and 92 | 460 |