Least Common Multiple (LCM) of 72 and 113
The least common multiple (LCM) of 72 and 113 is 8136.
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 113?
First, calculate the GCD of 72 and 113 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 72 ÷ 113 = 0 remainder 72 |
| 2 | 113 ÷ 72 = 1 remainder 41 |
| 3 | 72 ÷ 41 = 1 remainder 31 |
| 4 | 41 ÷ 31 = 1 remainder 10 |
| 5 | 31 ÷ 10 = 3 remainder 1 |
| 6 | 10 ÷ 1 = 10 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 87 and 77 | 6699 |
| 67 and 133 | 8911 |
| 121 and 29 | 3509 |
| 84 and 189 | 756 |
| 177 and 132 | 7788 |