Least Common Multiple (LCM) of 191 and 47
The least common multiple (LCM) of 191 and 47 is 8977.
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 191 and 47?
First, calculate the GCD of 191 and 47 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 191 ÷ 47 = 4 remainder 3 |
| 2 | 47 ÷ 3 = 15 remainder 2 |
| 3 | 3 ÷ 2 = 1 remainder 1 |
| 4 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 130 and 139 | 18070 |
| 118 and 197 | 23246 |
| 125 and 190 | 4750 |
| 178 and 18 | 1602 |
| 170 and 58 | 4930 |