Least Common Multiple (LCM) of 155 and 191
The least common multiple (LCM) of 155 and 191 is 29605.
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 155 and 191?
First, calculate the GCD of 155 and 191 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 155 ÷ 191 = 0 remainder 155 |
| 2 | 191 ÷ 155 = 1 remainder 36 |
| 3 | 155 ÷ 36 = 4 remainder 11 |
| 4 | 36 ÷ 11 = 3 remainder 3 |
| 5 | 11 ÷ 3 = 3 remainder 2 |
| 6 | 3 ÷ 2 = 1 remainder 1 |
| 7 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 27 and 190 | 5130 |
| 92 and 70 | 3220 |
| 104 and 121 | 12584 |
| 110 and 74 | 4070 |
| 92 and 140 | 3220 |