Least Common Multiple (LCM) of 60 and 77
The least common multiple (LCM) of 60 and 77 is 4620.
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 60 and 77?
First, calculate the GCD of 60 and 77 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 60 ÷ 77 = 0 remainder 60 |
| 2 | 77 ÷ 60 = 1 remainder 17 |
| 3 | 60 ÷ 17 = 3 remainder 9 |
| 4 | 17 ÷ 9 = 1 remainder 8 |
| 5 | 9 ÷ 8 = 1 remainder 1 |
| 6 | 8 ÷ 1 = 8 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 100 and 194 | 9700 |
| 123 and 82 | 246 |
| 139 and 34 | 4726 |
| 156 and 102 | 2652 |
| 134 and 189 | 25326 |