Least Common Multiple (LCM) of 155 and 100
The least common multiple (LCM) of 155 and 100 is 3100.
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 100?
First, calculate the GCD of 155 and 100 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 155 ÷ 100 = 1 remainder 55 |
| 2 | 100 ÷ 55 = 1 remainder 45 |
| 3 | 55 ÷ 45 = 1 remainder 10 |
| 4 | 45 ÷ 10 = 4 remainder 5 |
| 5 | 10 ÷ 5 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 11 and 185 | 2035 |
| 107 and 162 | 17334 |
| 60 and 46 | 1380 |
| 186 and 96 | 2976 |
| 105 and 12 | 420 |