Least Common Multiple (LCM) of 109 and 115
The least common multiple (LCM) of 109 and 115 is 12535.
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 115?
First, calculate the GCD of 109 and 115 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 109 ÷ 115 = 0 remainder 109 |
| 2 | 115 ÷ 109 = 1 remainder 6 |
| 3 | 109 ÷ 6 = 18 remainder 1 |
| 4 | 6 ÷ 1 = 6 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 149 and 160 | 23840 |
| 160 and 42 | 3360 |
| 12 and 49 | 588 |
| 38 and 78 | 1482 |
| 80 and 109 | 8720 |