Least Common Multiple (LCM) of 90 and 131
The least common multiple (LCM) of 90 and 131 is 11790.
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 90 and 131?
First, calculate the GCD of 90 and 131 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 90 ÷ 131 = 0 remainder 90 |
| 2 | 131 ÷ 90 = 1 remainder 41 |
| 3 | 90 ÷ 41 = 2 remainder 8 |
| 4 | 41 ÷ 8 = 5 remainder 1 |
| 5 | 8 ÷ 1 = 8 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 199 and 78 | 15522 |
| 159 and 198 | 10494 |
| 67 and 87 | 5829 |
| 105 and 25 | 525 |
| 37 and 136 | 5032 |