Least Common Multiple (LCM) of 25 and 181
The least common multiple (LCM) of 25 and 181 is 4525.
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 181?
First, calculate the GCD of 25 and 181 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 25 ÷ 181 = 0 remainder 25 |
| 2 | 181 ÷ 25 = 7 remainder 6 |
| 3 | 25 ÷ 6 = 4 remainder 1 |
| 4 | 6 ÷ 1 = 6 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 112 and 191 | 21392 |
| 75 and 87 | 2175 |
| 122 and 117 | 14274 |
| 20 and 17 | 340 |
| 109 and 112 | 12208 |