Least Common Multiple (LCM) of 48 and 170
The least common multiple (LCM) of 48 and 170 is 4080.
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 48 and 170?
First, calculate the GCD of 48 and 170 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 48 ÷ 170 = 0 remainder 48 |
| 2 | 170 ÷ 48 = 3 remainder 26 |
| 3 | 48 ÷ 26 = 1 remainder 22 |
| 4 | 26 ÷ 22 = 1 remainder 4 |
| 5 | 22 ÷ 4 = 5 remainder 2 |
| 6 | 4 ÷ 2 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 110 and 172 | 9460 |
| 103 and 98 | 10094 |
| 168 and 68 | 2856 |
| 75 and 196 | 14700 |
| 155 and 139 | 21545 |