Least Common Multiple (LCM) of 38 and 153
The least common multiple (LCM) of 38 and 153 is 5814.
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 153?
First, calculate the GCD of 38 and 153 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 38 ÷ 153 = 0 remainder 38 |
| 2 | 153 ÷ 38 = 4 remainder 1 |
| 3 | 38 ÷ 1 = 38 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 42 and 179 | 7518 |
| 135 and 169 | 22815 |
| 101 and 42 | 4242 |
| 84 and 34 | 1428 |
| 34 and 15 | 510 |