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 |
|---|---|
| 130 and 61 | 7930 |
| 92 and 106 | 4876 |
| 168 and 139 | 23352 |
| 119 and 184 | 21896 |
| 178 and 172 | 15308 |