Least Common Multiple (LCM) of 145 and 86
The least common multiple (LCM) of 145 and 86 is 12470.
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 86?
First, calculate the GCD of 145 and 86 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 145 ÷ 86 = 1 remainder 59 |
| 2 | 86 ÷ 59 = 1 remainder 27 |
| 3 | 59 ÷ 27 = 2 remainder 5 |
| 4 | 27 ÷ 5 = 5 remainder 2 |
| 5 | 5 ÷ 2 = 2 remainder 1 |
| 6 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 23 and 197 | 4531 |
| 120 and 176 | 2640 |
| 21 and 54 | 378 |
| 186 and 25 | 4650 |
| 115 and 174 | 20010 |