Least Common Multiple (LCM) of 140 and 85
The least common multiple (LCM) of 140 and 85 is 2380.
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 140 and 85?
First, calculate the GCD of 140 and 85 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 140 ÷ 85 = 1 remainder 55 |
| 2 | 85 ÷ 55 = 1 remainder 30 |
| 3 | 55 ÷ 30 = 1 remainder 25 |
| 4 | 30 ÷ 25 = 1 remainder 5 |
| 5 | 25 ÷ 5 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 184 and 146 | 13432 |
| 42 and 11 | 462 |
| 17 and 114 | 1938 |
| 171 and 195 | 11115 |
| 154 and 50 | 3850 |