Least Common Multiple (LCM) of 25 and 108
The least common multiple (LCM) of 25 and 108 is 2700.
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 25 and 108?
First, calculate the GCD of 25 and 108 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 25 ÷ 108 = 0 remainder 25 |
| 2 | 108 ÷ 25 = 4 remainder 8 |
| 3 | 25 ÷ 8 = 3 remainder 1 |
| 4 | 8 ÷ 1 = 8 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 56 and 31 | 1736 |
| 18 and 123 | 738 |
| 134 and 87 | 11658 |
| 79 and 148 | 11692 |
| 17 and 169 | 2873 |