Least Common Multiple (LCM) of 147 and 27
The least common multiple (LCM) of 147 and 27 is 1323.
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 147 and 27?
First, calculate the GCD of 147 and 27 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 147 ÷ 27 = 5 remainder 12 |
| 2 | 27 ÷ 12 = 2 remainder 3 |
| 3 | 12 ÷ 3 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 156 and 156 | 156 |
| 82 and 197 | 16154 |
| 15 and 42 | 210 |
| 110 and 106 | 5830 |
| 156 and 15 | 780 |