Least Common Multiple (LCM) of 117 and 160
The least common multiple (LCM) of 117 and 160 is 18720.
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 160?
First, calculate the GCD of 117 and 160 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 117 ÷ 160 = 0 remainder 117 |
| 2 | 160 ÷ 117 = 1 remainder 43 |
| 3 | 117 ÷ 43 = 2 remainder 31 |
| 4 | 43 ÷ 31 = 1 remainder 12 |
| 5 | 31 ÷ 12 = 2 remainder 7 |
| 6 | 12 ÷ 7 = 1 remainder 5 |
| 7 | 7 ÷ 5 = 1 remainder 2 |
| 8 | 5 ÷ 2 = 2 remainder 1 |
| 9 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 173 and 59 | 10207 |
| 25 and 71 | 1775 |
| 189 and 170 | 32130 |
| 153 and 28 | 4284 |
| 110 and 22 | 110 |