Least Common Multiple (LCM) of 145 and 85
The least common multiple (LCM) of 145 and 85 is 2465.
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 85?
First, calculate the GCD of 145 and 85 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 145 ÷ 85 = 1 remainder 60 |
| 2 | 85 ÷ 60 = 1 remainder 25 |
| 3 | 60 ÷ 25 = 2 remainder 10 |
| 4 | 25 ÷ 10 = 2 remainder 5 |
| 5 | 10 ÷ 5 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 121 and 139 | 16819 |
| 179 and 64 | 11456 |
| 20 and 24 | 120 |
| 19 and 119 | 2261 |
| 188 and 179 | 33652 |