Least Common Multiple (LCM) of 42 and 127
The least common multiple (LCM) of 42 and 127 is 5334.
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 127?
First, calculate the GCD of 42 and 127 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 42 ÷ 127 = 0 remainder 42 |
| 2 | 127 ÷ 42 = 3 remainder 1 |
| 3 | 42 ÷ 1 = 42 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 162 and 57 | 3078 |
| 161 and 99 | 15939 |
| 175 and 27 | 4725 |
| 134 and 135 | 18090 |
| 50 and 65 | 650 |