Least Common Multiple (LCM) of 84 and 104
The least common multiple (LCM) of 84 and 104 is 2184.
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 84 and 104?
First, calculate the GCD of 84 and 104 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 84 ÷ 104 = 0 remainder 84 |
| 2 | 104 ÷ 84 = 1 remainder 20 |
| 3 | 84 ÷ 20 = 4 remainder 4 |
| 4 | 20 ÷ 4 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 171 and 117 | 2223 |
| 46 and 85 | 3910 |
| 43 and 175 | 7525 |
| 81 and 49 | 3969 |
| 72 and 165 | 3960 |