Least Common Multiple (LCM) of 147 and 72
The least common multiple (LCM) of 147 and 72 is 3528.
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 72?
First, calculate the GCD of 147 and 72 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 147 ÷ 72 = 2 remainder 3 |
| 2 | 72 ÷ 3 = 24 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 66 and 22 | 66 |
| 178 and 194 | 17266 |
| 171 and 106 | 18126 |
| 180 and 132 | 1980 |
| 117 and 141 | 5499 |