Least Common Multiple (LCM) of 77 and 200
The least common multiple (LCM) of 77 and 200 is 15400.
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 77 and 200?
First, calculate the GCD of 77 and 200 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 77 ÷ 200 = 0 remainder 77 |
| 2 | 200 ÷ 77 = 2 remainder 46 |
| 3 | 77 ÷ 46 = 1 remainder 31 |
| 4 | 46 ÷ 31 = 1 remainder 15 |
| 5 | 31 ÷ 15 = 2 remainder 1 |
| 6 | 15 ÷ 1 = 15 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 65 and 170 | 2210 |
| 120 and 78 | 1560 |
| 120 and 189 | 7560 |
| 55 and 133 | 7315 |
| 52 and 72 | 936 |