Least Common Multiple (LCM) of 79 and 200
The least common multiple (LCM) of 79 and 200 is 15800.
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 79 and 200?
First, calculate the GCD of 79 and 200 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 79 ÷ 200 = 0 remainder 79 |
| 2 | 200 ÷ 79 = 2 remainder 42 |
| 3 | 79 ÷ 42 = 1 remainder 37 |
| 4 | 42 ÷ 37 = 1 remainder 5 |
| 5 | 37 ÷ 5 = 7 remainder 2 |
| 6 | 5 ÷ 2 = 2 remainder 1 |
| 7 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 105 and 31 | 3255 |
| 99 and 81 | 891 |
| 27 and 67 | 1809 |
| 83 and 109 | 9047 |
| 148 and 56 | 2072 |