Least Common Multiple (LCM) of 27 and 65
The least common multiple (LCM) of 27 and 65 is 1755.
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 27 and 65?
First, calculate the GCD of 27 and 65 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 27 ÷ 65 = 0 remainder 27 |
| 2 | 65 ÷ 27 = 2 remainder 11 |
| 3 | 27 ÷ 11 = 2 remainder 5 |
| 4 | 11 ÷ 5 = 2 remainder 1 |
| 5 | 5 ÷ 1 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 79 and 107 | 8453 |
| 139 and 48 | 6672 |
| 190 and 199 | 37810 |
| 170 and 25 | 850 |
| 152 and 75 | 11400 |