Least Common Multiple (LCM) of 191 and 178
The least common multiple (LCM) of 191 and 178 is 33998.
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 191 and 178?
First, calculate the GCD of 191 and 178 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 191 ÷ 178 = 1 remainder 13 |
| 2 | 178 ÷ 13 = 13 remainder 9 |
| 3 | 13 ÷ 9 = 1 remainder 4 |
| 4 | 9 ÷ 4 = 2 remainder 1 |
| 5 | 4 ÷ 1 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 138 and 140 | 9660 |
| 151 and 97 | 14647 |
| 92 and 118 | 5428 |
| 16 and 177 | 2832 |
| 58 and 149 | 8642 |