Least Common Multiple (LCM) of 197 and 113
The least common multiple (LCM) of 197 and 113 is 22261.
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 113?
First, calculate the GCD of 197 and 113 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 197 ÷ 113 = 1 remainder 84 |
| 2 | 113 ÷ 84 = 1 remainder 29 |
| 3 | 84 ÷ 29 = 2 remainder 26 |
| 4 | 29 ÷ 26 = 1 remainder 3 |
| 5 | 26 ÷ 3 = 8 remainder 2 |
| 6 | 3 ÷ 2 = 1 remainder 1 |
| 7 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 141 and 147 | 6909 |
| 170 and 57 | 9690 |
| 124 and 47 | 5828 |
| 49 and 40 | 1960 |
| 94 and 137 | 12878 |