Least Common Multiple (LCM) of 77 and 119
The least common multiple (LCM) of 77 and 119 is 1309.
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 119?
First, calculate the GCD of 77 and 119 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 77 ÷ 119 = 0 remainder 77 |
| 2 | 119 ÷ 77 = 1 remainder 42 |
| 3 | 77 ÷ 42 = 1 remainder 35 |
| 4 | 42 ÷ 35 = 1 remainder 7 |
| 5 | 35 ÷ 7 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 137 and 198 | 27126 |
| 71 and 76 | 5396 |
| 136 and 168 | 2856 |
| 126 and 39 | 1638 |
| 168 and 145 | 24360 |