Least Common Multiple (LCM) of 77 and 165
The least common multiple (LCM) of 77 and 165 is 1155.
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 77 and 165?
First, calculate the GCD of 77 and 165 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 77 ÷ 165 = 0 remainder 77 |
| 2 | 165 ÷ 77 = 2 remainder 11 |
| 3 | 77 ÷ 11 = 7 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 193 and 110 | 21230 |
| 61 and 138 | 8418 |
| 172 and 157 | 27004 |
| 90 and 13 | 1170 |
| 156 and 59 | 9204 |