Least Common Multiple (LCM) of 165 and 153
The least common multiple (LCM) of 165 and 153 is 8415.
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 165 and 153?
First, calculate the GCD of 165 and 153 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 165 ÷ 153 = 1 remainder 12 |
| 2 | 153 ÷ 12 = 12 remainder 9 |
| 3 | 12 ÷ 9 = 1 remainder 3 |
| 4 | 9 ÷ 3 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 195 and 158 | 30810 |
| 69 and 130 | 8970 |
| 51 and 84 | 1428 |
| 14 and 66 | 462 |
| 147 and 105 | 735 |