Least Common Multiple (LCM) of 109 and 125
The least common multiple (LCM) of 109 and 125 is 13625.
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 125?
First, calculate the GCD of 109 and 125 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 109 ÷ 125 = 0 remainder 109 |
| 2 | 125 ÷ 109 = 1 remainder 16 |
| 3 | 109 ÷ 16 = 6 remainder 13 |
| 4 | 16 ÷ 13 = 1 remainder 3 |
| 5 | 13 ÷ 3 = 4 remainder 1 |
| 6 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 138 and 123 | 5658 |
| 150 and 177 | 8850 |
| 92 and 174 | 8004 |
| 129 and 114 | 4902 |
| 120 and 173 | 20760 |