Least Common Multiple (LCM) of 163 and 120
The least common multiple (LCM) of 163 and 120 is 19560.
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 163 and 120?
First, calculate the GCD of 163 and 120 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 163 ÷ 120 = 1 remainder 43 |
| 2 | 120 ÷ 43 = 2 remainder 34 |
| 3 | 43 ÷ 34 = 1 remainder 9 |
| 4 | 34 ÷ 9 = 3 remainder 7 |
| 5 | 9 ÷ 7 = 1 remainder 2 |
| 6 | 7 ÷ 2 = 3 remainder 1 |
| 7 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 168 and 11 | 1848 |
| 83 and 14 | 1162 |
| 145 and 119 | 17255 |
| 164 and 133 | 21812 |
| 58 and 59 | 3422 |