Least Common Multiple (LCM) of 125 and 61
The least common multiple (LCM) of 125 and 61 is 7625.
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 125 and 61?
First, calculate the GCD of 125 and 61 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 125 ÷ 61 = 2 remainder 3 |
| 2 | 61 ÷ 3 = 20 remainder 1 |
| 3 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 132 and 111 | 4884 |
| 144 and 116 | 4176 |
| 123 and 136 | 16728 |
| 20 and 194 | 1940 |
| 29 and 75 | 2175 |