Least Common Multiple (LCM) of 38 and 74
The least common multiple (LCM) of 38 and 74 is 1406.
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 38 and 74?
First, calculate the GCD of 38 and 74 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 38 ÷ 74 = 0 remainder 38 |
| 2 | 74 ÷ 38 = 1 remainder 36 |
| 3 | 38 ÷ 36 = 1 remainder 2 |
| 4 | 36 ÷ 2 = 18 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 133 and 76 | 532 |
| 81 and 127 | 10287 |
| 47 and 128 | 6016 |
| 15 and 90 | 90 |
| 182 and 65 | 910 |