Least Common Multiple (LCM) of 149 and 117
The least common multiple (LCM) of 149 and 117 is 17433.
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 149 and 117?
First, calculate the GCD of 149 and 117 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 149 ÷ 117 = 1 remainder 32 |
| 2 | 117 ÷ 32 = 3 remainder 21 |
| 3 | 32 ÷ 21 = 1 remainder 11 |
| 4 | 21 ÷ 11 = 1 remainder 10 |
| 5 | 11 ÷ 10 = 1 remainder 1 |
| 6 | 10 ÷ 1 = 10 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 123 and 20 | 2460 |
| 24 and 16 | 48 |
| 34 and 166 | 2822 |
| 111 and 66 | 2442 |
| 47 and 186 | 8742 |