Least Common Multiple (LCM) of 195 and 155
The least common multiple (LCM) of 195 and 155 is 6045.
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 195 and 155?
First, calculate the GCD of 195 and 155 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 195 ÷ 155 = 1 remainder 40 |
| 2 | 155 ÷ 40 = 3 remainder 35 |
| 3 | 40 ÷ 35 = 1 remainder 5 |
| 4 | 35 ÷ 5 = 7 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 61 and 51 | 3111 |
| 132 and 127 | 16764 |
| 89 and 74 | 6586 |
| 24 and 72 | 72 |
| 128 and 187 | 23936 |