Least Common Multiple (LCM) of 77 and 67
The least common multiple (LCM) of 77 and 67 is 5159.
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 67?
First, calculate the GCD of 77 and 67 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 77 ÷ 67 = 1 remainder 10 |
| 2 | 67 ÷ 10 = 6 remainder 7 |
| 3 | 10 ÷ 7 = 1 remainder 3 |
| 4 | 7 ÷ 3 = 2 remainder 1 |
| 5 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 197 and 188 | 37036 |
| 198 and 84 | 2772 |
| 168 and 135 | 7560 |
| 97 and 118 | 11446 |
| 178 and 48 | 4272 |