Least Common Multiple (LCM) of 55 and 60
The least common multiple (LCM) of 55 and 60 is 660.
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 55 and 60?
First, calculate the GCD of 55 and 60 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 55 ÷ 60 = 0 remainder 55 |
| 2 | 60 ÷ 55 = 1 remainder 5 |
| 3 | 55 ÷ 5 = 11 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 100 and 196 | 4900 |
| 170 and 176 | 14960 |
| 100 and 149 | 14900 |
| 64 and 48 | 192 |
| 159 and 49 | 7791 |