Least Common Multiple (LCM) of 108 and 105
The least common multiple (LCM) of 108 and 105 is 3780.
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 108 and 105?
First, calculate the GCD of 108 and 105 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 108 ÷ 105 = 1 remainder 3 |
| 2 | 105 ÷ 3 = 35 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 149 and 144 | 21456 |
| 131 and 20 | 2620 |
| 150 and 32 | 2400 |
| 155 and 76 | 11780 |
| 17 and 116 | 1972 |