Least Common Multiple (LCM) of 108 and 49
The least common multiple (LCM) of 108 and 49 is 5292.
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 108 and 49?
First, calculate the GCD of 108 and 49 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 108 ÷ 49 = 2 remainder 10 |
| 2 | 49 ÷ 10 = 4 remainder 9 |
| 3 | 10 ÷ 9 = 1 remainder 1 |
| 4 | 9 ÷ 1 = 9 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 74 and 47 | 3478 |
| 142 and 137 | 19454 |
| 13 and 172 | 2236 |
| 161 and 42 | 966 |
| 118 and 38 | 2242 |