Least Common Multiple (LCM) of 40 and 148
The least common multiple (LCM) of 40 and 148 is 1480.
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 40 and 148?
First, calculate the GCD of 40 and 148 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 40 ÷ 148 = 0 remainder 40 |
| 2 | 148 ÷ 40 = 3 remainder 28 |
| 3 | 40 ÷ 28 = 1 remainder 12 |
| 4 | 28 ÷ 12 = 2 remainder 4 |
| 5 | 12 ÷ 4 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 157 and 81 | 12717 |
| 162 and 136 | 11016 |
| 190 and 10 | 190 |
| 163 and 68 | 11084 |
| 151 and 154 | 23254 |