Least Common Multiple (LCM) of 57 and 170
The least common multiple (LCM) of 57 and 170 is 9690.
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 57 and 170?
First, calculate the GCD of 57 and 170 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 57 ÷ 170 = 0 remainder 57 |
| 2 | 170 ÷ 57 = 2 remainder 56 |
| 3 | 57 ÷ 56 = 1 remainder 1 |
| 4 | 56 ÷ 1 = 56 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 153 and 16 | 2448 |
| 169 and 172 | 29068 |
| 72 and 153 | 1224 |
| 104 and 102 | 5304 |
| 128 and 149 | 19072 |