Least Common Multiple (LCM) of 65 and 126
The least common multiple (LCM) of 65 and 126 is 8190.
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 65 and 126?
First, calculate the GCD of 65 and 126 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 65 ÷ 126 = 0 remainder 65 |
| 2 | 126 ÷ 65 = 1 remainder 61 |
| 3 | 65 ÷ 61 = 1 remainder 4 |
| 4 | 61 ÷ 4 = 15 remainder 1 |
| 5 | 4 ÷ 1 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 12 and 140 | 420 |
| 71 and 81 | 5751 |
| 152 and 12 | 456 |
| 76 and 57 | 228 |
| 77 and 139 | 10703 |