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 |
|---|---|
| 142 and 187 | 26554 |
| 75 and 102 | 2550 |
| 173 and 43 | 7439 |
| 190 and 24 | 2280 |
| 102 and 103 | 10506 |