Least Common Multiple (LCM) of 69 and 112
The least common multiple (LCM) of 69 and 112 is 7728.
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 69 and 112?
First, calculate the GCD of 69 and 112 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 69 ÷ 112 = 0 remainder 69 |
| 2 | 112 ÷ 69 = 1 remainder 43 |
| 3 | 69 ÷ 43 = 1 remainder 26 |
| 4 | 43 ÷ 26 = 1 remainder 17 |
| 5 | 26 ÷ 17 = 1 remainder 9 |
| 6 | 17 ÷ 9 = 1 remainder 8 |
| 7 | 9 ÷ 8 = 1 remainder 1 |
| 8 | 8 ÷ 1 = 8 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 45 and 86 | 3870 |
| 54 and 15 | 270 |
| 22 and 160 | 1760 |
| 30 and 77 | 2310 |
| 111 and 96 | 3552 |