Least Common Multiple (LCM) of 75 and 191
The least common multiple (LCM) of 75 and 191 is 14325.
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 75 and 191?
First, calculate the GCD of 75 and 191 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 75 ÷ 191 = 0 remainder 75 |
| 2 | 191 ÷ 75 = 2 remainder 41 |
| 3 | 75 ÷ 41 = 1 remainder 34 |
| 4 | 41 ÷ 34 = 1 remainder 7 |
| 5 | 34 ÷ 7 = 4 remainder 6 |
| 6 | 7 ÷ 6 = 1 remainder 1 |
| 7 | 6 ÷ 1 = 6 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 38 and 65 | 2470 |
| 20 and 59 | 1180 |
| 45 and 146 | 6570 |
| 159 and 165 | 8745 |
| 142 and 54 | 3834 |