Least Common Multiple (LCM) of 161 and 65
The least common multiple (LCM) of 161 and 65 is 10465.
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 65?
First, calculate the GCD of 161 and 65 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 161 ÷ 65 = 2 remainder 31 |
| 2 | 65 ÷ 31 = 2 remainder 3 |
| 3 | 31 ÷ 3 = 10 remainder 1 |
| 4 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 182 and 194 | 17654 |
| 183 and 110 | 20130 |
| 23 and 14 | 322 |
| 190 and 99 | 18810 |
| 66 and 84 | 924 |