Least Common Multiple (LCM) of 155 and 103
The least common multiple (LCM) of 155 and 103 is 15965.
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 103?
First, calculate the GCD of 155 and 103 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 155 ÷ 103 = 1 remainder 52 |
| 2 | 103 ÷ 52 = 1 remainder 51 |
| 3 | 52 ÷ 51 = 1 remainder 1 |
| 4 | 51 ÷ 1 = 51 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 38 and 99 | 3762 |
| 120 and 180 | 360 |
| 67 and 95 | 6365 |
| 30 and 98 | 1470 |
| 25 and 125 | 125 |