Least Common Multiple (LCM) of 115 and 27
The least common multiple (LCM) of 115 and 27 is 3105.
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 115 and 27?
First, calculate the GCD of 115 and 27 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 115 ÷ 27 = 4 remainder 7 |
| 2 | 27 ÷ 7 = 3 remainder 6 |
| 3 | 7 ÷ 6 = 1 remainder 1 |
| 4 | 6 ÷ 1 = 6 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 192 and 59 | 11328 |
| 39 and 123 | 1599 |
| 103 and 90 | 9270 |
| 15 and 120 | 120 |
| 124 and 187 | 23188 |