Least Common Multiple (LCM) of 161 and 69
The least common multiple (LCM) of 161 and 69 is 483.
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 161 and 69?
First, calculate the GCD of 161 and 69 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 161 ÷ 69 = 2 remainder 23 |
| 2 | 69 ÷ 23 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 121 and 40 | 4840 |
| 125 and 43 | 5375 |
| 198 and 184 | 18216 |
| 122 and 94 | 5734 |
| 74 and 127 | 9398 |