Least Common Multiple (LCM) of 161 and 84
The least common multiple (LCM) of 161 and 84 is 1932.
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 84?
First, calculate the GCD of 161 and 84 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 161 ÷ 84 = 1 remainder 77 |
| 2 | 84 ÷ 77 = 1 remainder 7 |
| 3 | 77 ÷ 7 = 11 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 71 and 132 | 9372 |
| 112 and 133 | 2128 |
| 190 and 147 | 27930 |
| 132 and 196 | 6468 |
| 195 and 38 | 7410 |