Least Common Multiple (LCM) of 15 and 114
The least common multiple (LCM) of 15 and 114 is 570.
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 114?
First, calculate the GCD of 15 and 114 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 15 ÷ 114 = 0 remainder 15 |
| 2 | 114 ÷ 15 = 7 remainder 9 |
| 3 | 15 ÷ 9 = 1 remainder 6 |
| 4 | 9 ÷ 6 = 1 remainder 3 |
| 5 | 6 ÷ 3 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 81 and 77 | 6237 |
| 111 and 111 | 111 |
| 42 and 129 | 1806 |
| 177 and 114 | 6726 |
| 141 and 182 | 25662 |