Least Common Multiple (LCM) of 77 and 187
The least common multiple (LCM) of 77 and 187 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 187?
First, calculate the GCD of 77 and 187 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 77 ÷ 187 = 0 remainder 77 |
| 2 | 187 ÷ 77 = 2 remainder 33 |
| 3 | 77 ÷ 33 = 2 remainder 11 |
| 4 | 33 ÷ 11 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 64 and 32 | 64 |
| 20 and 163 | 3260 |
| 59 and 11 | 649 |
| 117 and 58 | 6786 |
| 144 and 126 | 1008 |