Least Common Multiple (LCM) of 42 and 133
The least common multiple (LCM) of 42 and 133 is 798.
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 42 and 133?
First, calculate the GCD of 42 and 133 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 42 ÷ 133 = 0 remainder 42 |
| 2 | 133 ÷ 42 = 3 remainder 7 |
| 3 | 42 ÷ 7 = 6 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 165 and 189 | 10395 |
| 171 and 97 | 16587 |
| 123 and 135 | 5535 |
| 29 and 87 | 87 |
| 145 and 86 | 12470 |