Least Common Multiple (LCM) of 127 and 165
The least common multiple (LCM) of 127 and 165 is 20955.
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 127 and 165?
First, calculate the GCD of 127 and 165 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 127 ÷ 165 = 0 remainder 127 |
| 2 | 165 ÷ 127 = 1 remainder 38 |
| 3 | 127 ÷ 38 = 3 remainder 13 |
| 4 | 38 ÷ 13 = 2 remainder 12 |
| 5 | 13 ÷ 12 = 1 remainder 1 |
| 6 | 12 ÷ 1 = 12 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 130 and 41 | 5330 |
| 161 and 169 | 27209 |
| 103 and 131 | 13493 |
| 20 and 18 | 180 |
| 18 and 181 | 3258 |