Least Common Multiple (LCM) of 54 and 191
The least common multiple (LCM) of 54 and 191 is 10314.
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 54 and 191?
First, calculate the GCD of 54 and 191 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 54 ÷ 191 = 0 remainder 54 |
| 2 | 191 ÷ 54 = 3 remainder 29 |
| 3 | 54 ÷ 29 = 1 remainder 25 |
| 4 | 29 ÷ 25 = 1 remainder 4 |
| 5 | 25 ÷ 4 = 6 remainder 1 |
| 6 | 4 ÷ 1 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 67 and 162 | 10854 |
| 138 and 47 | 6486 |
| 101 and 111 | 11211 |
| 155 and 59 | 9145 |
| 38 and 69 | 2622 |