Least Common Multiple (LCM) of 125 and 87
The least common multiple (LCM) of 125 and 87 is 10875.
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 87?
First, calculate the GCD of 125 and 87 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 125 ÷ 87 = 1 remainder 38 |
| 2 | 87 ÷ 38 = 2 remainder 11 |
| 3 | 38 ÷ 11 = 3 remainder 5 |
| 4 | 11 ÷ 5 = 2 remainder 1 |
| 5 | 5 ÷ 1 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 65 and 47 | 3055 |
| 92 and 163 | 14996 |
| 83 and 189 | 15687 |
| 118 and 70 | 4130 |
| 169 and 112 | 18928 |