Least Common Multiple (LCM) of 117 and 168
The least common multiple (LCM) of 117 and 168 is 6552.
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 117 and 168?
First, calculate the GCD of 117 and 168 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 117 ÷ 168 = 0 remainder 117 |
| 2 | 168 ÷ 117 = 1 remainder 51 |
| 3 | 117 ÷ 51 = 2 remainder 15 |
| 4 | 51 ÷ 15 = 3 remainder 6 |
| 5 | 15 ÷ 6 = 2 remainder 3 |
| 6 | 6 ÷ 3 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 87 and 70 | 6090 |
| 103 and 36 | 3708 |
| 64 and 143 | 9152 |
| 39 and 198 | 2574 |
| 41 and 126 | 5166 |