Least Common Multiple (LCM) of 185 and 120
The least common multiple (LCM) of 185 and 120 is 4440.
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 185 and 120?
First, calculate the GCD of 185 and 120 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 185 ÷ 120 = 1 remainder 65 |
| 2 | 120 ÷ 65 = 1 remainder 55 |
| 3 | 65 ÷ 55 = 1 remainder 10 |
| 4 | 55 ÷ 10 = 5 remainder 5 |
| 5 | 10 ÷ 5 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 89 and 57 | 5073 |
| 55 and 158 | 8690 |
| 66 and 48 | 528 |
| 68 and 93 | 6324 |
| 31 and 101 | 3131 |