Least Common Multiple (LCM) of 66 and 125
The least common multiple (LCM) of 66 and 125 is 8250.
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 66 and 125?
First, calculate the GCD of 66 and 125 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 66 ÷ 125 = 0 remainder 66 |
| 2 | 125 ÷ 66 = 1 remainder 59 |
| 3 | 66 ÷ 59 = 1 remainder 7 |
| 4 | 59 ÷ 7 = 8 remainder 3 |
| 5 | 7 ÷ 3 = 2 remainder 1 |
| 6 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 31 and 125 | 3875 |
| 15 and 185 | 555 |
| 128 and 108 | 3456 |
| 92 and 61 | 5612 |
| 69 and 19 | 1311 |