Least Common Multiple (LCM) of 127 and 161
The least common multiple (LCM) of 127 and 161 is 20447.
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 161?
First, calculate the GCD of 127 and 161 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 127 ÷ 161 = 0 remainder 127 |
| 2 | 161 ÷ 127 = 1 remainder 34 |
| 3 | 127 ÷ 34 = 3 remainder 25 |
| 4 | 34 ÷ 25 = 1 remainder 9 |
| 5 | 25 ÷ 9 = 2 remainder 7 |
| 6 | 9 ÷ 7 = 1 remainder 2 |
| 7 | 7 ÷ 2 = 3 remainder 1 |
| 8 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 149 and 67 | 9983 |
| 187 and 156 | 29172 |
| 144 and 114 | 2736 |
| 184 and 88 | 2024 |
| 194 and 10 | 970 |