Least Common Multiple (LCM) of 126 and 145
The least common multiple (LCM) of 126 and 145 is 18270.
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 126 and 145?
First, calculate the GCD of 126 and 145 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 126 ÷ 145 = 0 remainder 126 |
| 2 | 145 ÷ 126 = 1 remainder 19 |
| 3 | 126 ÷ 19 = 6 remainder 12 |
| 4 | 19 ÷ 12 = 1 remainder 7 |
| 5 | 12 ÷ 7 = 1 remainder 5 |
| 6 | 7 ÷ 5 = 1 remainder 2 |
| 7 | 5 ÷ 2 = 2 remainder 1 |
| 8 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 199 and 169 | 33631 |
| 149 and 160 | 23840 |
| 114 and 23 | 2622 |
| 177 and 163 | 28851 |
| 86 and 20 | 860 |