Least Common Multiple (LCM) of 97 and 25
The least common multiple (LCM) of 97 and 25 is 2425.
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 97 and 25?
First, calculate the GCD of 97 and 25 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 97 ÷ 25 = 3 remainder 22 |
| 2 | 25 ÷ 22 = 1 remainder 3 |
| 3 | 22 ÷ 3 = 7 remainder 1 |
| 4 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 173 and 38 | 6574 |
| 55 and 194 | 10670 |
| 49 and 20 | 980 |
| 144 and 187 | 26928 |
| 189 and 123 | 7749 |