Least Common Multiple (LCM) of 69 and 125
The least common multiple (LCM) of 69 and 125 is 8625.
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 69 and 125?
First, calculate the GCD of 69 and 125 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 69 ÷ 125 = 0 remainder 69 |
| 2 | 125 ÷ 69 = 1 remainder 56 |
| 3 | 69 ÷ 56 = 1 remainder 13 |
| 4 | 56 ÷ 13 = 4 remainder 4 |
| 5 | 13 ÷ 4 = 3 remainder 1 |
| 6 | 4 ÷ 1 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 120 and 126 | 2520 |
| 22 and 182 | 2002 |
| 198 and 140 | 13860 |
| 123 and 124 | 15252 |
| 133 and 185 | 24605 |