Least Common Multiple (LCM) of 190 and 90
The least common multiple (LCM) of 190 and 90 is 1710.
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 90?
First, calculate the GCD of 190 and 90 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 190 ÷ 90 = 2 remainder 10 |
| 2 | 90 ÷ 10 = 9 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 158 and 197 | 31126 |
| 15 and 94 | 1410 |
| 54 and 21 | 378 |
| 198 and 10 | 990 |
| 123 and 108 | 4428 |