Least Common Multiple (LCM) of 181 and 90
The least common multiple (LCM) of 181 and 90 is 16290.
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 181 and 90?
First, calculate the GCD of 181 and 90 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 181 ÷ 90 = 2 remainder 1 |
| 2 | 90 ÷ 1 = 90 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 98 and 190 | 9310 |
| 20 and 192 | 960 |
| 60 and 70 | 420 |
| 109 and 136 | 14824 |
| 185 and 102 | 18870 |