Least Common Multiple (LCM) of 97 and 165
The least common multiple (LCM) of 97 and 165 is 16005.
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 97 and 165?
First, calculate the GCD of 97 and 165 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 97 ÷ 165 = 0 remainder 97 |
| 2 | 165 ÷ 97 = 1 remainder 68 |
| 3 | 97 ÷ 68 = 1 remainder 29 |
| 4 | 68 ÷ 29 = 2 remainder 10 |
| 5 | 29 ÷ 10 = 2 remainder 9 |
| 6 | 10 ÷ 9 = 1 remainder 1 |
| 7 | 9 ÷ 1 = 9 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 158 and 22 | 1738 |
| 107 and 90 | 9630 |
| 54 and 40 | 1080 |
| 90 and 31 | 2790 |
| 66 and 172 | 5676 |