Least Common Multiple (LCM) of 169 and 38
The least common multiple (LCM) of 169 and 38 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 169 and 38?
First, calculate the GCD of 169 and 38 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 169 ÷ 38 = 4 remainder 17 |
| 2 | 38 ÷ 17 = 2 remainder 4 |
| 3 | 17 ÷ 4 = 4 remainder 1 |
| 4 | 4 ÷ 1 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 103 and 62 | 6386 |
| 86 and 140 | 6020 |
| 138 and 162 | 3726 |
| 171 and 168 | 9576 |
| 138 and 179 | 24702 |