Least Common Multiple (LCM) of 145 and 73
The least common multiple (LCM) of 145 and 73 is 10585.
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 145 and 73?
First, calculate the GCD of 145 and 73 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 145 ÷ 73 = 1 remainder 72 |
| 2 | 73 ÷ 72 = 1 remainder 1 |
| 3 | 72 ÷ 1 = 72 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 180 and 93 | 5580 |
| 187 and 17 | 187 |
| 138 and 37 | 5106 |
| 60 and 172 | 2580 |
| 19 and 111 | 2109 |