Least Common Multiple (LCM) of 15 and 50
The least common multiple (LCM) of 15 and 50 is 150.
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 15 and 50?
First, calculate the GCD of 15 and 50 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 15 ÷ 50 = 0 remainder 15 |
| 2 | 50 ÷ 15 = 3 remainder 5 |
| 3 | 15 ÷ 5 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 123 and 71 | 8733 |
| 22 and 122 | 1342 |
| 34 and 21 | 714 |
| 82 and 54 | 2214 |
| 131 and 25 | 3275 |