Least Common Multiple (LCM) of 155 and 190
The least common multiple (LCM) of 155 and 190 is 5890.
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 190?
First, calculate the GCD of 155 and 190 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 155 ÷ 190 = 0 remainder 155 |
| 2 | 190 ÷ 155 = 1 remainder 35 |
| 3 | 155 ÷ 35 = 4 remainder 15 |
| 4 | 35 ÷ 15 = 2 remainder 5 |
| 5 | 15 ÷ 5 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 78 and 31 | 2418 |
| 40 and 126 | 2520 |
| 52 and 154 | 4004 |
| 98 and 90 | 4410 |
| 25 and 15 | 75 |