Least Common Multiple (LCM) of 72 and 32
The least common multiple (LCM) of 72 and 32 is 288.
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 72 and 32?
First, calculate the GCD of 72 and 32 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 72 ÷ 32 = 2 remainder 8 |
| 2 | 32 ÷ 8 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 170 and 188 | 15980 |
| 110 and 143 | 1430 |
| 100 and 155 | 3100 |
| 151 and 79 | 11929 |
| 182 and 140 | 1820 |