Least Common Multiple (LCM) of 38 and 174
The least common multiple (LCM) of 38 and 174 is 3306.
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 174?
First, calculate the GCD of 38 and 174 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 38 ÷ 174 = 0 remainder 38 |
| 2 | 174 ÷ 38 = 4 remainder 22 |
| 3 | 38 ÷ 22 = 1 remainder 16 |
| 4 | 22 ÷ 16 = 1 remainder 6 |
| 5 | 16 ÷ 6 = 2 remainder 4 |
| 6 | 6 ÷ 4 = 1 remainder 2 |
| 7 | 4 ÷ 2 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 169 and 117 | 1521 |
| 161 and 12 | 1932 |
| 17 and 26 | 442 |
| 165 and 66 | 330 |
| 146 and 135 | 19710 |