Least Common Multiple (LCM) of 198 and 70
The least common multiple (LCM) of 198 and 70 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 198 and 70?
First, calculate the GCD of 198 and 70 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 198 ÷ 70 = 2 remainder 58 |
| 2 | 70 ÷ 58 = 1 remainder 12 |
| 3 | 58 ÷ 12 = 4 remainder 10 |
| 4 | 12 ÷ 10 = 1 remainder 2 |
| 5 | 10 ÷ 2 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 45 and 164 | 7380 |
| 38 and 118 | 2242 |
| 60 and 36 | 180 |
| 45 and 136 | 6120 |
| 185 and 161 | 29785 |