Least Common Multiple (LCM) of 70 and 198
The least common multiple (LCM) of 70 and 198 is 6930.
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 70 and 198?
First, calculate the GCD of 70 and 198 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 70 ÷ 198 = 0 remainder 70 |
| 2 | 198 ÷ 70 = 2 remainder 58 |
| 3 | 70 ÷ 58 = 1 remainder 12 |
| 4 | 58 ÷ 12 = 4 remainder 10 |
| 5 | 12 ÷ 10 = 1 remainder 2 |
| 6 | 10 ÷ 2 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 195 and 49 | 9555 |
| 60 and 92 | 1380 |
| 40 and 105 | 840 |
| 191 and 143 | 27313 |
| 85 and 16 | 1360 |