Least Common Multiple (LCM) of 38 and 178
The least common multiple (LCM) of 38 and 178 is 3382.
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 178?
First, calculate the GCD of 38 and 178 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 38 ÷ 178 = 0 remainder 38 |
| 2 | 178 ÷ 38 = 4 remainder 26 |
| 3 | 38 ÷ 26 = 1 remainder 12 |
| 4 | 26 ÷ 12 = 2 remainder 2 |
| 5 | 12 ÷ 2 = 6 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 197 and 115 | 22655 |
| 18 and 68 | 612 |
| 175 and 59 | 10325 |
| 98 and 173 | 16954 |
| 150 and 99 | 4950 |