Least Common Multiple (LCM) of 155 and 105
The least common multiple (LCM) of 155 and 105 is 3255.
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 105?
First, calculate the GCD of 155 and 105 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 155 ÷ 105 = 1 remainder 50 |
| 2 | 105 ÷ 50 = 2 remainder 5 |
| 3 | 50 ÷ 5 = 10 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 68 and 124 | 2108 |
| 38 and 75 | 2850 |
| 89 and 149 | 13261 |
| 185 and 37 | 185 |
| 107 and 181 | 19367 |