Least Common Multiple (LCM) of 72 and 93
The least common multiple (LCM) of 72 and 93 is 2232.
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 93?
First, calculate the GCD of 72 and 93 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 72 ÷ 93 = 0 remainder 72 |
| 2 | 93 ÷ 72 = 1 remainder 21 |
| 3 | 72 ÷ 21 = 3 remainder 9 |
| 4 | 21 ÷ 9 = 2 remainder 3 |
| 5 | 9 ÷ 3 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 103 and 11 | 1133 |
| 17 and 121 | 2057 |
| 20 and 23 | 460 |
| 151 and 171 | 25821 |
| 148 and 159 | 23532 |