Least Common Multiple (LCM) of 39 and 74
The least common multiple (LCM) of 39 and 74 is 2886.
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 39 and 74?
First, calculate the GCD of 39 and 74 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 39 ÷ 74 = 0 remainder 39 |
| 2 | 74 ÷ 39 = 1 remainder 35 |
| 3 | 39 ÷ 35 = 1 remainder 4 |
| 4 | 35 ÷ 4 = 8 remainder 3 |
| 5 | 4 ÷ 3 = 1 remainder 1 |
| 6 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 162 and 28 | 2268 |
| 156 and 148 | 5772 |
| 80 and 33 | 2640 |
| 107 and 100 | 10700 |
| 148 and 200 | 7400 |