Least Common Multiple (LCM) of 25 and 145
The least common multiple (LCM) of 25 and 145 is 725.
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 145?
First, calculate the GCD of 25 and 145 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 25 ÷ 145 = 0 remainder 25 |
| 2 | 145 ÷ 25 = 5 remainder 20 |
| 3 | 25 ÷ 20 = 1 remainder 5 |
| 4 | 20 ÷ 5 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 19 and 37 | 703 |
| 122 and 88 | 5368 |
| 197 and 63 | 12411 |
| 126 and 79 | 9954 |
| 10 and 48 | 240 |