Least Common Multiple (LCM) of 41 and 77
The least common multiple (LCM) of 41 and 77 is 3157.
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 41 and 77?
First, calculate the GCD of 41 and 77 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 41 ÷ 77 = 0 remainder 41 |
| 2 | 77 ÷ 41 = 1 remainder 36 |
| 3 | 41 ÷ 36 = 1 remainder 5 |
| 4 | 36 ÷ 5 = 7 remainder 1 |
| 5 | 5 ÷ 1 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 130 and 121 | 15730 |
| 39 and 172 | 6708 |
| 191 and 127 | 24257 |
| 112 and 140 | 560 |
| 51 and 12 | 204 |