Least Common Multiple (LCM) of 77 and 51
The least common multiple (LCM) of 77 and 51 is 3927.
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 51?
First, calculate the GCD of 77 and 51 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 77 ÷ 51 = 1 remainder 26 |
| 2 | 51 ÷ 26 = 1 remainder 25 |
| 3 | 26 ÷ 25 = 1 remainder 1 |
| 4 | 25 ÷ 1 = 25 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 126 and 79 | 9954 |
| 171 and 115 | 19665 |
| 108 and 194 | 10476 |
| 74 and 192 | 7104 |
| 15 and 164 | 2460 |