Least Common Multiple (LCM) of 197 and 169
The least common multiple (LCM) of 197 and 169 is 33293.
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 197 and 169?
First, calculate the GCD of 197 and 169 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 197 ÷ 169 = 1 remainder 28 |
| 2 | 169 ÷ 28 = 6 remainder 1 |
| 3 | 28 ÷ 1 = 28 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 71 and 90 | 6390 |
| 119 and 81 | 9639 |
| 63 and 29 | 1827 |
| 69 and 77 | 5313 |
| 81 and 37 | 2997 |