Least Common Multiple (LCM) of 26 and 77
The least common multiple (LCM) of 26 and 77 is 2002.
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 26 and 77?
First, calculate the GCD of 26 and 77 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 26 ÷ 77 = 0 remainder 26 |
| 2 | 77 ÷ 26 = 2 remainder 25 |
| 3 | 26 ÷ 25 = 1 remainder 1 |
| 4 | 25 ÷ 1 = 25 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 112 and 172 | 4816 |
| 150 and 159 | 7950 |
| 66 and 61 | 4026 |
| 192 and 115 | 22080 |
| 186 and 72 | 2232 |