Least Common Multiple (LCM) of 25 and 199
The least common multiple (LCM) of 25 and 199 is 4975.
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 199?
First, calculate the GCD of 25 and 199 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 25 ÷ 199 = 0 remainder 25 |
| 2 | 199 ÷ 25 = 7 remainder 24 |
| 3 | 25 ÷ 24 = 1 remainder 1 |
| 4 | 24 ÷ 1 = 24 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 107 and 189 | 20223 |
| 125 and 108 | 13500 |
| 146 and 197 | 28762 |
| 21 and 79 | 1659 |
| 37 and 20 | 740 |