Least Common Multiple (LCM) of 49 and 54
The least common multiple (LCM) of 49 and 54 is 2646.
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 49 and 54?
First, calculate the GCD of 49 and 54 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 49 ÷ 54 = 0 remainder 49 |
| 2 | 54 ÷ 49 = 1 remainder 5 |
| 3 | 49 ÷ 5 = 9 remainder 4 |
| 4 | 5 ÷ 4 = 1 remainder 1 |
| 5 | 4 ÷ 1 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 34 and 46 | 782 |
| 189 and 38 | 7182 |
| 169 and 65 | 845 |
| 109 and 52 | 5668 |
| 158 and 164 | 12956 |