Least Common Multiple (LCM) of 68 and 116
The least common multiple (LCM) of 68 and 116 is 1972.
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 68 and 116?
First, calculate the GCD of 68 and 116 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 68 ÷ 116 = 0 remainder 68 |
| 2 | 116 ÷ 68 = 1 remainder 48 |
| 3 | 68 ÷ 48 = 1 remainder 20 |
| 4 | 48 ÷ 20 = 2 remainder 8 |
| 5 | 20 ÷ 8 = 2 remainder 4 |
| 6 | 8 ÷ 4 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 28 and 21 | 84 |
| 45 and 22 | 990 |
| 145 and 167 | 24215 |
| 196 and 46 | 4508 |
| 39 and 165 | 2145 |