Least Common Multiple (LCM) of 25 and 153
The least common multiple (LCM) of 25 and 153 is 3825.
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 153?
First, calculate the GCD of 25 and 153 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 25 ÷ 153 = 0 remainder 25 |
| 2 | 153 ÷ 25 = 6 remainder 3 |
| 3 | 25 ÷ 3 = 8 remainder 1 |
| 4 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 10 and 60 | 60 |
| 57 and 57 | 57 |
| 72 and 64 | 576 |
| 130 and 172 | 11180 |
| 30 and 171 | 1710 |