Least Common Multiple (LCM) of 38 and 169
The least common multiple (LCM) of 38 and 169 is 6422.
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 169?
First, calculate the GCD of 38 and 169 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 38 ÷ 169 = 0 remainder 38 |
| 2 | 169 ÷ 38 = 4 remainder 17 |
| 3 | 38 ÷ 17 = 2 remainder 4 |
| 4 | 17 ÷ 4 = 4 remainder 1 |
| 5 | 4 ÷ 1 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 73 and 163 | 11899 |
| 37 and 66 | 2442 |
| 13 and 47 | 611 |
| 157 and 140 | 21980 |
| 110 and 67 | 7370 |