Least Common Multiple (LCM) of 100 and 85
The least common multiple (LCM) of 100 and 85 is 1700.
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 100 and 85?
First, calculate the GCD of 100 and 85 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 100 ÷ 85 = 1 remainder 15 |
| 2 | 85 ÷ 15 = 5 remainder 10 |
| 3 | 15 ÷ 10 = 1 remainder 5 |
| 4 | 10 ÷ 5 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 107 and 18 | 1926 |
| 145 and 14 | 2030 |
| 97 and 18 | 1746 |
| 123 and 168 | 6888 |
| 191 and 10 | 1910 |