Least Common Multiple (LCM) of 15 and 52
The least common multiple (LCM) of 15 and 52 is 780.
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 52?
First, calculate the GCD of 15 and 52 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 15 ÷ 52 = 0 remainder 15 |
| 2 | 52 ÷ 15 = 3 remainder 7 |
| 3 | 15 ÷ 7 = 2 remainder 1 |
| 4 | 7 ÷ 1 = 7 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 180 and 69 | 4140 |
| 102 and 149 | 15198 |
| 17 and 104 | 1768 |
| 158 and 139 | 21962 |
| 106 and 104 | 5512 |