Least Common Multiple (LCM) of 200 and 145
The least common multiple (LCM) of 200 and 145 is 5800.
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 200 and 145?
First, calculate the GCD of 200 and 145 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 200 ÷ 145 = 1 remainder 55 |
| 2 | 145 ÷ 55 = 2 remainder 35 |
| 3 | 55 ÷ 35 = 1 remainder 20 |
| 4 | 35 ÷ 20 = 1 remainder 15 |
| 5 | 20 ÷ 15 = 1 remainder 5 |
| 6 | 15 ÷ 5 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 38 and 43 | 1634 |
| 132 and 82 | 5412 |
| 132 and 173 | 22836 |
| 31 and 13 | 403 |
| 149 and 132 | 19668 |