Least Common Multiple (LCM) of 90 and 127
The least common multiple (LCM) of 90 and 127 is 11430.
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 127?
First, calculate the GCD of 90 and 127 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 90 ÷ 127 = 0 remainder 90 |
| 2 | 127 ÷ 90 = 1 remainder 37 |
| 3 | 90 ÷ 37 = 2 remainder 16 |
| 4 | 37 ÷ 16 = 2 remainder 5 |
| 5 | 16 ÷ 5 = 3 remainder 1 |
| 6 | 5 ÷ 1 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 186 and 57 | 3534 |
| 107 and 30 | 3210 |
| 191 and 189 | 36099 |
| 187 and 104 | 19448 |
| 90 and 124 | 5580 |