Least Common Multiple (LCM) of 73 and 68
The least common multiple (LCM) of 73 and 68 is 4964.
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 73 and 68?
First, calculate the GCD of 73 and 68 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 73 ÷ 68 = 1 remainder 5 |
| 2 | 68 ÷ 5 = 13 remainder 3 |
| 3 | 5 ÷ 3 = 1 remainder 2 |
| 4 | 3 ÷ 2 = 1 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 176 and 161 | 28336 |
| 123 and 12 | 492 |
| 65 and 43 | 2795 |
| 89 and 126 | 11214 |
| 39 and 117 | 117 |