Least Common Multiple (LCM) of 20 and 167
The least common multiple (LCM) of 20 and 167 is 3340.
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 20 and 167?
First, calculate the GCD of 20 and 167 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 20 ÷ 167 = 0 remainder 20 |
| 2 | 167 ÷ 20 = 8 remainder 7 |
| 3 | 20 ÷ 7 = 2 remainder 6 |
| 4 | 7 ÷ 6 = 1 remainder 1 |
| 5 | 6 ÷ 1 = 6 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 130 and 133 | 17290 |
| 15 and 81 | 405 |
| 92 and 142 | 6532 |
| 98 and 103 | 10094 |
| 61 and 119 | 7259 |