Least Common Multiple (LCM) of 160 and 85
The least common multiple (LCM) of 160 and 85 is 2720.
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 160 and 85?
First, calculate the GCD of 160 and 85 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 160 ÷ 85 = 1 remainder 75 |
| 2 | 85 ÷ 75 = 1 remainder 10 |
| 3 | 75 ÷ 10 = 7 remainder 5 |
| 4 | 10 ÷ 5 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 91 and 29 | 2639 |
| 86 and 94 | 4042 |
| 76 and 93 | 7068 |
| 140 and 60 | 420 |
| 172 and 23 | 3956 |