Least Common Multiple (LCM) of 33 and 161
The least common multiple (LCM) of 33 and 161 is 5313.
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 33 and 161?
First, calculate the GCD of 33 and 161 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 33 ÷ 161 = 0 remainder 33 |
| 2 | 161 ÷ 33 = 4 remainder 29 |
| 3 | 33 ÷ 29 = 1 remainder 4 |
| 4 | 29 ÷ 4 = 7 remainder 1 |
| 5 | 4 ÷ 1 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 72 and 116 | 2088 |
| 183 and 180 | 10980 |
| 78 and 102 | 1326 |
| 152 and 15 | 2280 |
| 198 and 30 | 990 |