Least Common Multiple (LCM) of 161 and 75
The least common multiple (LCM) of 161 and 75 is 12075.
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 75?
First, calculate the GCD of 161 and 75 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 161 ÷ 75 = 2 remainder 11 |
| 2 | 75 ÷ 11 = 6 remainder 9 |
| 3 | 11 ÷ 9 = 1 remainder 2 |
| 4 | 9 ÷ 2 = 4 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 182 and 69 | 12558 |
| 84 and 172 | 3612 |
| 155 and 133 | 20615 |
| 110 and 146 | 8030 |
| 27 and 70 | 1890 |