Least Common Multiple (LCM) of 17 and 190
The least common multiple (LCM) of 17 and 190 is 3230.
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 17 and 190?
First, calculate the GCD of 17 and 190 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 17 ÷ 190 = 0 remainder 17 |
| 2 | 190 ÷ 17 = 11 remainder 3 |
| 3 | 17 ÷ 3 = 5 remainder 2 |
| 4 | 3 ÷ 2 = 1 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 199 and 160 | 31840 |
| 196 and 145 | 28420 |
| 173 and 47 | 8131 |
| 187 and 77 | 1309 |
| 161 and 28 | 644 |