Least Common Multiple (LCM) of 39 and 33
The least common multiple (LCM) of 39 and 33 is 429.
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 39 and 33?
First, calculate the GCD of 39 and 33 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 39 ÷ 33 = 1 remainder 6 |
| 2 | 33 ÷ 6 = 5 remainder 3 |
| 3 | 6 ÷ 3 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 20 and 42 | 420 |
| 145 and 62 | 8990 |
| 154 and 199 | 30646 |
| 43 and 189 | 8127 |
| 151 and 18 | 2718 |