Least Common Multiple (LCM) of 109 and 47
The least common multiple (LCM) of 109 and 47 is 5123.
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 109 and 47?
First, calculate the GCD of 109 and 47 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 109 ÷ 47 = 2 remainder 15 |
| 2 | 47 ÷ 15 = 3 remainder 2 |
| 3 | 15 ÷ 2 = 7 remainder 1 |
| 4 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 169 and 161 | 27209 |
| 126 and 155 | 19530 |
| 149 and 190 | 28310 |
| 22 and 36 | 396 |
| 40 and 41 | 1640 |