Least Common Multiple (LCM) of 148 and 42
The least common multiple (LCM) of 148 and 42 is 3108.
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 148 and 42?
First, calculate the GCD of 148 and 42 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 148 ÷ 42 = 3 remainder 22 |
| 2 | 42 ÷ 22 = 1 remainder 20 |
| 3 | 22 ÷ 20 = 1 remainder 2 |
| 4 | 20 ÷ 2 = 10 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 28 and 35 | 140 |
| 131 and 81 | 10611 |
| 162 and 106 | 8586 |
| 74 and 124 | 4588 |
| 186 and 25 | 4650 |