Least Common Multiple (LCM) of 68 and 117
The least common multiple (LCM) of 68 and 117 is 7956.
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 117?
First, calculate the GCD of 68 and 117 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 68 ÷ 117 = 0 remainder 68 |
| 2 | 117 ÷ 68 = 1 remainder 49 |
| 3 | 68 ÷ 49 = 1 remainder 19 |
| 4 | 49 ÷ 19 = 2 remainder 11 |
| 5 | 19 ÷ 11 = 1 remainder 8 |
| 6 | 11 ÷ 8 = 1 remainder 3 |
| 7 | 8 ÷ 3 = 2 remainder 2 |
| 8 | 3 ÷ 2 = 1 remainder 1 |
| 9 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 181 and 184 | 33304 |
| 164 and 75 | 12300 |
| 160 and 53 | 8480 |
| 84 and 199 | 16716 |
| 20 and 37 | 740 |