Least Common Multiple (LCM) of 131 and 90
The least common multiple (LCM) of 131 and 90 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 131 and 90?
First, calculate the GCD of 131 and 90 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 131 ÷ 90 = 1 remainder 41 |
| 2 | 90 ÷ 41 = 2 remainder 8 |
| 3 | 41 ÷ 8 = 5 remainder 1 |
| 4 | 8 ÷ 1 = 8 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 109 and 111 | 12099 |
| 132 and 173 | 22836 |
| 171 and 172 | 29412 |
| 168 and 128 | 2688 |
| 162 and 168 | 4536 |