Least Common Multiple (LCM) of 161 and 29
The least common multiple (LCM) of 161 and 29 is 4669.
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 29?
First, calculate the GCD of 161 and 29 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 161 ÷ 29 = 5 remainder 16 |
| 2 | 29 ÷ 16 = 1 remainder 13 |
| 3 | 16 ÷ 13 = 1 remainder 3 |
| 4 | 13 ÷ 3 = 4 remainder 1 |
| 5 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 168 and 129 | 7224 |
| 145 and 43 | 6235 |
| 99 and 72 | 792 |
| 44 and 128 | 1408 |
| 44 and 194 | 4268 |