Least Common Multiple (LCM) of 102 and 145
The least common multiple (LCM) of 102 and 145 is 14790.
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 102 and 145?
First, calculate the GCD of 102 and 145 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 102 ÷ 145 = 0 remainder 102 |
| 2 | 145 ÷ 102 = 1 remainder 43 |
| 3 | 102 ÷ 43 = 2 remainder 16 |
| 4 | 43 ÷ 16 = 2 remainder 11 |
| 5 | 16 ÷ 11 = 1 remainder 5 |
| 6 | 11 ÷ 5 = 2 remainder 1 |
| 7 | 5 ÷ 1 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 66 and 168 | 1848 |
| 128 and 163 | 20864 |
| 90 and 118 | 5310 |
| 110 and 39 | 4290 |
| 78 and 107 | 8346 |