Least Common Multiple (LCM) of 61 and 111
The least common multiple (LCM) of 61 and 111 is 6771.
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 111?
First, calculate the GCD of 61 and 111 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 61 ÷ 111 = 0 remainder 61 |
| 2 | 111 ÷ 61 = 1 remainder 50 |
| 3 | 61 ÷ 50 = 1 remainder 11 |
| 4 | 50 ÷ 11 = 4 remainder 6 |
| 5 | 11 ÷ 6 = 1 remainder 5 |
| 6 | 6 ÷ 5 = 1 remainder 1 |
| 7 | 5 ÷ 1 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 119 and 175 | 2975 |
| 133 and 28 | 532 |
| 99 and 14 | 1386 |
| 193 and 72 | 13896 |
| 97 and 62 | 6014 |