Least Common Multiple (LCM) of 169 and 198
The least common multiple (LCM) of 169 and 198 is 33462.
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 169 and 198?
First, calculate the GCD of 169 and 198 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 169 ÷ 198 = 0 remainder 169 |
| 2 | 198 ÷ 169 = 1 remainder 29 |
| 3 | 169 ÷ 29 = 5 remainder 24 |
| 4 | 29 ÷ 24 = 1 remainder 5 |
| 5 | 24 ÷ 5 = 4 remainder 4 |
| 6 | 5 ÷ 4 = 1 remainder 1 |
| 7 | 4 ÷ 1 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 42 and 91 | 546 |
| 88 and 134 | 5896 |
| 61 and 118 | 7198 |
| 16 and 20 | 80 |
| 63 and 121 | 7623 |