Least Common Multiple (LCM) of 61 and 26
The least common multiple (LCM) of 61 and 26 is 1586.
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 61 and 26?
First, calculate the GCD of 61 and 26 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 61 ÷ 26 = 2 remainder 9 |
| 2 | 26 ÷ 9 = 2 remainder 8 |
| 3 | 9 ÷ 8 = 1 remainder 1 |
| 4 | 8 ÷ 1 = 8 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 71 and 78 | 5538 |
| 154 and 73 | 11242 |
| 51 and 31 | 1581 |
| 92 and 23 | 92 |
| 97 and 87 | 8439 |