Least Common Multiple (LCM) of 58 and 171
The least common multiple (LCM) of 58 and 171 is 9918.
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 58 and 171?
First, calculate the GCD of 58 and 171 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 58 ÷ 171 = 0 remainder 58 |
| 2 | 171 ÷ 58 = 2 remainder 55 |
| 3 | 58 ÷ 55 = 1 remainder 3 |
| 4 | 55 ÷ 3 = 18 remainder 1 |
| 5 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 178 and 28 | 2492 |
| 59 and 74 | 4366 |
| 79 and 123 | 9717 |
| 47 and 143 | 6721 |
| 137 and 189 | 25893 |