Least Common Multiple (LCM) of 190 and 15
The least common multiple (LCM) of 190 and 15 is 570.
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 190 and 15?
First, calculate the GCD of 190 and 15 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 190 ÷ 15 = 12 remainder 10 |
| 2 | 15 ÷ 10 = 1 remainder 5 |
| 3 | 10 ÷ 5 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 196 and 10 | 980 |
| 180 and 21 | 1260 |
| 17 and 121 | 2057 |
| 16 and 114 | 912 |
| 188 and 79 | 14852 |