Least Common Multiple (LCM) of 31 and 164
The least common multiple (LCM) of 31 and 164 is 5084.
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 31 and 164?
First, calculate the GCD of 31 and 164 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 31 ÷ 164 = 0 remainder 31 |
| 2 | 164 ÷ 31 = 5 remainder 9 |
| 3 | 31 ÷ 9 = 3 remainder 4 |
| 4 | 9 ÷ 4 = 2 remainder 1 |
| 5 | 4 ÷ 1 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 177 and 133 | 23541 |
| 161 and 50 | 8050 |
| 13 and 188 | 2444 |
| 30 and 195 | 390 |
| 122 and 18 | 1098 |