Least Common Multiple (LCM) of 161 and 115
The least common multiple (LCM) of 161 and 115 is 805.
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 115?
First, calculate the GCD of 161 and 115 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 161 ÷ 115 = 1 remainder 46 |
| 2 | 115 ÷ 46 = 2 remainder 23 |
| 3 | 46 ÷ 23 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 184 and 178 | 16376 |
| 80 and 134 | 5360 |
| 79 and 181 | 14299 |
| 53 and 186 | 9858 |
| 110 and 36 | 1980 |