Least Common Multiple (LCM) of 191 and 77
The least common multiple (LCM) of 191 and 77 is 14707.
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 77?
First, calculate the GCD of 191 and 77 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 191 ÷ 77 = 2 remainder 37 |
| 2 | 77 ÷ 37 = 2 remainder 3 |
| 3 | 37 ÷ 3 = 12 remainder 1 |
| 4 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 163 and 162 | 26406 |
| 40 and 22 | 440 |
| 55 and 192 | 10560 |
| 133 and 162 | 21546 |
| 142 and 49 | 6958 |