Least Common Multiple (LCM) of 161 and 101
The least common multiple (LCM) of 161 and 101 is 16261.
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 161 and 101?
First, calculate the GCD of 161 and 101 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 161 ÷ 101 = 1 remainder 60 |
| 2 | 101 ÷ 60 = 1 remainder 41 |
| 3 | 60 ÷ 41 = 1 remainder 19 |
| 4 | 41 ÷ 19 = 2 remainder 3 |
| 5 | 19 ÷ 3 = 6 remainder 1 |
| 6 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 174 and 74 | 6438 |
| 10 and 31 | 310 |
| 165 and 37 | 6105 |
| 160 and 193 | 30880 |
| 63 and 20 | 1260 |