Least Common Multiple (LCM) of 120 and 166
The least common multiple (LCM) of 120 and 166 is 9960.
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 120 and 166?
First, calculate the GCD of 120 and 166 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 120 ÷ 166 = 0 remainder 120 |
| 2 | 166 ÷ 120 = 1 remainder 46 |
| 3 | 120 ÷ 46 = 2 remainder 28 |
| 4 | 46 ÷ 28 = 1 remainder 18 |
| 5 | 28 ÷ 18 = 1 remainder 10 |
| 6 | 18 ÷ 10 = 1 remainder 8 |
| 7 | 10 ÷ 8 = 1 remainder 2 |
| 8 | 8 ÷ 2 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 180 and 161 | 28980 |
| 128 and 185 | 23680 |
| 154 and 195 | 30030 |
| 140 and 102 | 7140 |
| 28 and 64 | 448 |