Least Common Multiple (LCM) of 77 and 118
The least common multiple (LCM) of 77 and 118 is 9086.
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 118?
First, calculate the GCD of 77 and 118 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 77 ÷ 118 = 0 remainder 77 |
| 2 | 118 ÷ 77 = 1 remainder 41 |
| 3 | 77 ÷ 41 = 1 remainder 36 |
| 4 | 41 ÷ 36 = 1 remainder 5 |
| 5 | 36 ÷ 5 = 7 remainder 1 |
| 6 | 5 ÷ 1 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 10 and 28 | 140 |
| 39 and 179 | 6981 |
| 34 and 191 | 6494 |
| 124 and 72 | 2232 |
| 135 and 107 | 14445 |