Least Common Multiple (LCM) of 161 and 53
The least common multiple (LCM) of 161 and 53 is 8533.
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 53?
First, calculate the GCD of 161 and 53 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 161 ÷ 53 = 3 remainder 2 |
| 2 | 53 ÷ 2 = 26 remainder 1 |
| 3 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 195 and 22 | 4290 |
| 128 and 114 | 7296 |
| 19 and 126 | 2394 |
| 23 and 171 | 3933 |
| 90 and 96 | 1440 |