Least Common Multiple (LCM) of 187 and 171
The least common multiple (LCM) of 187 and 171 is 31977.
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 187 and 171?
First, calculate the GCD of 187 and 171 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 187 ÷ 171 = 1 remainder 16 |
| 2 | 171 ÷ 16 = 10 remainder 11 |
| 3 | 16 ÷ 11 = 1 remainder 5 |
| 4 | 11 ÷ 5 = 2 remainder 1 |
| 5 | 5 ÷ 1 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 78 and 71 | 5538 |
| 26 and 113 | 2938 |
| 117 and 199 | 23283 |
| 45 and 78 | 1170 |
| 42 and 130 | 2730 |