Least Common Multiple (LCM) of 85 and 80
The least common multiple (LCM) of 85 and 80 is 1360.
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 85 and 80?
First, calculate the GCD of 85 and 80 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 85 ÷ 80 = 1 remainder 5 |
| 2 | 80 ÷ 5 = 16 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 160 and 19 | 3040 |
| 165 and 139 | 22935 |
| 79 and 100 | 7900 |
| 183 and 63 | 3843 |
| 152 and 108 | 4104 |