Least Common Multiple (LCM) of 25 and 163
The least common multiple (LCM) of 25 and 163 is 4075.
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 163?
First, calculate the GCD of 25 and 163 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 25 ÷ 163 = 0 remainder 25 |
| 2 | 163 ÷ 25 = 6 remainder 13 |
| 3 | 25 ÷ 13 = 1 remainder 12 |
| 4 | 13 ÷ 12 = 1 remainder 1 |
| 5 | 12 ÷ 1 = 12 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 103 and 131 | 13493 |
| 180 and 147 | 8820 |
| 33 and 180 | 1980 |
| 101 and 131 | 13231 |
| 157 and 24 | 3768 |