Least Common Multiple (LCM) of 105 and 135
The least common multiple (LCM) of 105 and 135 is 945.
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 105 and 135?
First, calculate the GCD of 105 and 135 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 105 ÷ 135 = 0 remainder 105 |
| 2 | 135 ÷ 105 = 1 remainder 30 |
| 3 | 105 ÷ 30 = 3 remainder 15 |
| 4 | 30 ÷ 15 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 17 and 12 | 204 |
| 98 and 90 | 4410 |
| 153 and 38 | 5814 |
| 154 and 48 | 3696 |
| 193 and 58 | 11194 |