Least Common Multiple (LCM) of 73 and 131
The least common multiple (LCM) of 73 and 131 is 9563.
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 131?
First, calculate the GCD of 73 and 131 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 73 ÷ 131 = 0 remainder 73 |
| 2 | 131 ÷ 73 = 1 remainder 58 |
| 3 | 73 ÷ 58 = 1 remainder 15 |
| 4 | 58 ÷ 15 = 3 remainder 13 |
| 5 | 15 ÷ 13 = 1 remainder 2 |
| 6 | 13 ÷ 2 = 6 remainder 1 |
| 7 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 20 and 84 | 420 |
| 33 and 126 | 1386 |
| 52 and 198 | 5148 |
| 40 and 180 | 360 |
| 114 and 126 | 2394 |